Shenzhen Lingbao Electronics Co., Ltd. was established in June 2002. It is a national high-tech enterprise integrating R&D, production and sales, known as an expert in the production of household combustible gas detectors. The company has passed BS (UK) ISO 9001 certification, CE certification and national fire protection type certification. The company's products implement the GB15322-2019 national standard. All products have the "Inspection Report" from the National Fire Electronic Product Quality Supervision and Inspection Center and fire product certification certificates. The company undertakes 20 million yuan product liability insurance for each user. The company has always adhered to independent innovation and owns multiple patented technologies, rewarding society with high-quality and affordable products and excellent service.

1. R&D Capability:

The company's laboratory is a comprehensive functional testing and experiment center capable of measuring electromagnetic interference, high and low temperature, damp heat tests, automatic mixed gas ratio, insulation resistance testing, withstand voltage tests, voltage fluctuation tests, integrated circuit testing, electrical pulse tests, drop tests, vibration tests, and material dispersion testing.

2. Production Capability:

Production equipment such as automatic placement machines, automatic assembly lines, automatic wave soldering machines, and special-shaped component insertion machines can ensure the mass production capacity of detectors. Product aging rooms, product calibration rooms, as well as strict testing and product inspection processes ensure the high quality of products leaving the factory.

3. Quality Assurance:

The company's products implement the GB 15322-2019 national standard. All products have the "Inspection Report" from the National Fire Electronic Product Quality Supervision and Inspection Center and fire product certification certificates. The company's series of products are covered by China Life product liability insurance.

4. Innovative Development:

Pursue technological innovation and pursue excellence; there is no best, only better!

With "LB-Ankang", let there be no more gas explosions in the world! No more gas poisoning! Let us join hands and wish every family happiness and health!

About INCREASE

Founded in 2002, INCREASE (Stock Code: 300713) is a publicly listed high-tech company specializing in the research, development, manufacturing, and global supply of power electronic solutions. Our product portfolio includes EV charging power modules, DC fast chargers, AC EV chargers, battery energy storage systems (BESS), and integrated EV charging solutions for public charging networks, transportation infrastructure, industrial applications, and special-purpose vehicles.

With more than two decades of expertise in power electronics, INCREASE has established itself as a trusted partner for customers worldwide by delivering reliable, efficient, and scalable charging technologies. Backed by advanced EMC and LVD laboratories, a professional R&D team, and strict in-house quality control, we ensure consistent product performance from individual power modules to complete charging systems.

Innovation is at the core of our business. INCREASE has obtained more than 70 invention patents and software copyrights, and operates under internationally recognized management systems including ISO 9001, ISO 14001, ISO 45001, and IATF 16949. In addition to standard products, we also provide ODM and customized EV charging solutions tailored to different markets and project requirements.

Today, INCREASE continues to support the global transition toward sustainable mobility by delivering high-performance power conversion technologies and complete EV charging infrastructure solutions.

Hangzhou Water Show Culture Group Co., Ltd. was founded in 1989. It is a national high-tech enterprise, a top 50 global engineering design brand, a key international project enterprise of the "Belt and Road" cultural and tourism industry of the Ministry of Culture and Tourism of China, a high-growth technology enterprise in Zhejiang Province, and an enterprise with outstanding contributions to the 40th anniversary of reform and opening up.

For nearly forty years, the Group has focused on multiple dimensions of cultural and tourism development, including large-scale fountain water shows, light shows, live-action performances, light and shadow night tours, as well as stage machinery and installation art, providing full industrial chain services from creative design, R&D and production to installation and commissioning. To date, it has served more than 300 cities in China and more than 30 countries overseas, creating numerous city name cards and cultural and tourism landmarks.

The Group's wholly-owned subsidiaries also include: "Watershow Intelligent Manufacturing," an equipment manufacturer of smart city and aesthetic equipment; "Shanhu Joy Tourism & Cultural," an innovative cultural and tourism brand development and operation company; "Watershow Digital Media," a new media promotion and metaverse digital human developer; as well as the high-end catering brand "Shanhu Joy Banquet" and the fashionable coffee chain brand "Coffee D&A," among other member enterprises.

Zhejiang Construction Engineering Machinery Group, as one of the core manufacturing sector subsidiaries of Zhejiang Construction Investment Group, has invested over 500 million RMB in recent years to build a digital "Future Factory", actively implementing the Group's strategic requirements for developing new quality productive forces. Guided by the principles of digital design, intelligent production lines, low-carbon manufacturing, and remote operation & maintenance, the company has independently developed the industry's first digital high-flexibility truss mixed-flow production line and established China's pioneering high-mix flexible intelligent powder coating line for large components. It is now fully committed to constructing the core scenario of an "Industrial Brain + Future Factory" ecosystem, achieving streamlined, flexible, automated, intelligent, and environmentally sustainable production processes. Embark on the New, Thrive with Quality. Join us in forging the Smart Future.

Beijing SDL Technology Co., Ltd., founded in 2001 and listed on the Shenzhen Stock Exchange in 2012, is a national high-tech enterprise integrating research and development, design, production, sales, and service, holding more than 500 intellectual property rights including patents and software copyrights.

The company focuses on environmental monitoring, carbon monitoring and carbon measurement, industrial process analysis, scientific instruments, and environmental comprehensive services. It has built an integrated "intelligent equipment + intelligent operation and maintenance + digital intelligence application" comprehensive solution to support continuous improvement of environmental quality and the achievement of the "dual carbon" goals.

SDL is a National Specialized, High-end and Innovation-driven "Little Giant" Enterprise, Beijing Specialized, High-end and Innovation-driven Enterprise, Beijing Enterprise Technology Center, Beijing Engineering Laboratory, Beijing Key Laboratory, and Zhongguancun Science Park Postdoctoral Research Workstation. It has undertaken more than 20 national and provincial key R&D projects. Multiple products have won awards such as the Second Prize of National Science and Technology Progress Award, Second Prize of Beijing Science and Technology Progress Award, First Prize of Engineering Technology Research Achievements of the Ministry of Education Science Research Excellent Achievement Award, First Prize of Environmental Protection Science and Technology Invention Award, First Prize of Environmental Technology Progress Award, and Second Prize of Environmental Protection Science and Technology Award.

SDL adheres to the core values of honest and fair, innovative and efficient, pragmatic and customer-centric. It always takes "Committed to ecological technology, protecting green homes" as its mission. Through continuous innovation in technology, products, and business models, it continues to enhance the company's core competitiveness and strives tirelessly to achieve the brand of an excellent ecological environment enterprise.

Dingxi High Strength Fastener Co., Ltd. specializes in the R&D, manufacturing, and testing of high-strength fasteners and special-shaped components for industrial applications. The company has been focused on the entire industry chain of fastening products for over 50 years in areas such as nuclear power, wind power, petrochemical, and photovoltaic equipment manufacturing.

In the wind power sector, since entering in 2007, the company has become a qualified supplier for leading domestic manufacturers and established a long-term partnership with UK-based Cobham in 2018. Its wind power products rank among the top five in the country and provide complete fastening solutions for all onshore and offshore wind turbine models (1.5MW-10MW).

In the nuclear power sector, since expanding into this area in 2015, the company has gained recognition from major players like CGN, CNNC, and their equipment manufacturers using advanced technology and processes.

In the petrochemical and other equipment manufacturing sectors, the company's products are widely used in pressure vessels, drilling equipment, and refining equipment, making it one of the ten designated procurement enterprises for CNPC refining projects.

In the photovoltaic sector, the company's bolts, nuts, washers, and studs are widely used in solar power system installations. They are designed for quick installation, made from environmentally friendly materials, and are corrosion-resistant, suitable for humid, high-temperature, and dusty environments. The quality of the products has received consistent recognition from customers.

In 2019, the company expanded its product applications to rail transportation, focusing on subway tunnel construction. Its products effectively control ground settlement and reduce impacts on surface structures, collaborating with Shanghai Tunnel Engineering Company and major construction firms. In 2020, it entered the new infrastructure sector, supplying connections for large steel structures. Its products are also used in high-voltage power transmission, cable trays, electronic equipment, mining, metallurgy, irrigation, urban underground pipelines, and both thermal and hydro power generation.

Jiangxi Harrl Group Co., Ltd. is rooted in Nanchang, the Hero City. Founded in 2005, the company boasts a registered capital of RMB 309 million. Adhering to the development philosophy of "High Investment, High Starting Point, High Quality", the company consistently complies with national requirements for the sustained, sound and high-quality development of private enterprises. Deeply engaged in the power equipment manufacturing sector, it has gradually grown into a comprehensive high-tech enterprise integrating the design, R&D, manufacturing and sales of high and low voltage power distribution equipment, as well as general power construction contracting.
Since its establishment, the company has focused on the core segment of power equipment and served as an integrated solution provider covering product R&D, production manufacturing, system integration and technical services. It now owns a complete product portfolio of power equipment with intelligent core products, including intelligent high and low voltage switchgears, intelligent box-type substations, outdoor combined box transformers, high-voltage cable branch boxes, intelligent meter boxes and other flagship products. Supported by core strengths such as exquisite craftsmanship, reliable quality, stable operation, convenient maintenance and efficient services, its products are widely applied in power grids, industrial production, commercial buildings, infrastructure construction, new energy development and other key sectors. Meanwhile, series products including intelligent high and low voltage switchgears, prefabricated cabin intelligent substations and primary-secondary integrated intelligent box transformers have been first launched for domestic and overseas markets.
From its inception, the company has adopted a standardized, systematic and sustainable development roadmap. In 2006, it took the lead in obtaining certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, OHSAS 18001 Occupational Health and Safety Management System and Energy Management System, establishing a full-process standardized management system. To further boost operational efficiency and lean manufacturing capacity, the company introduced advanced international management concepts and invited expert teams from Schneider Electric to carry out lean production consulting projects. The projects systematically optimized workshop layout, material circulation and production tact, facilitating the transformation from traditional manufacturing to an efficient, flexible and low-consumption lean intelligent manufacturing model. In addition, the company actively integrated high-quality industrial resources and established long-term strategic partnerships with world-renowned electrical enterprises including Schneider, ABB and Siemens. Drawing on advanced industry experience, it has laid a solid foundation for subsequent innovation-driven development and industrial transformation and upgrading.
To fully meet the manufacturing demands for high-quality power equipment, the company invested RMB 560 million in constructing an intelligent power equipment science and technology park located in Nanchang Xiaolan Economic Development Zone. Covering a land area of 100 mu with a construction area of 82,000 square meters (including 67,000 square meters of production space), the park consists of production workshops, R&D centers, testing centers, headquarters buildings and staff dormitories, dedicated to the R&D and production of high-low voltage cabinets, photovoltaic box transformers and other power equipment. The company has built four highly integrated intelligent production lines:
Flexible intelligent welding and assembly line for gas-insulated ring main units: integrating robotic laser welding, RGV intelligent transportation and MES digital control to realize full-process automation of gas tank sealing welding, assembly and inspection;
Fully automatic intelligent flexible sheet metal production line: equipped with bending robots and high-precision CNC bending machines to achieve automatic material grabbing, centering and bending;
Intelligent CNC sheet metal punching, laser cutting and edge folding automatic production line: centered on multi-column material warehouses, integrated with laser cutting, combined punching-shearing and automatic edge folding units, linked with WMS warehouse management system to realize automatic raw material warehousing, intelligent production scheduling and semi-finished product storage;
Fully automatic intelligent flexible sheet metal machining center: deeply interconnected WMS with ERP/MES systems to visualize production data and enable automatic work order reporting.
The production lines are also equipped with top-tier domestic and overseas equipment such as fully automatic secondary wiring processing machines and robotic automatic bending units, supporting rapid order switching for diversified and batch production. Supported by sophisticated production processes, a robust quality assurance system and a full-spectrum technical service system, the company delivers stable, reliable, eco-friendly and intelligent power equipment and services to clients.
Keeping pace with the digital transformation trend, the company actively implements national digital development strategies. It has obtained authoritative certifications including DLMM Digital Transformation Maturity Standard (2-Star), AA-grade Integration of Industrialization and Informatization Management System, and Level 2 Data Management Capability Maturity. It has also built a "China Unicom 5G + Industrial Internet" platform. Leveraging high-speed and low-latency 5G private networks, the platform realizes interconnection of production equipment and real-time data collection, forming a modern digital, networked and intelligent manufacturing system.
Meanwhile, the company continues to deepen its domestic market layout covering Jiangxi, Hunan, Hubei, Zhejiang, Jiangsu, Fujian, Anhui, Henan, Heilongjiang, Sichuan, Chongqing, Shaanxi, Shandong, Shanxi, Gansu, Beijing, Tianjin, Liaoning, Xinjiang, Jilin, Inner Mongolia, Hebei, Ningxia, Qinghai, Shanghai, Hainan, Guangxi and other regions. Its core clients include State Grid, China Southern Power Grid, China Mobile, China State Construction, China National Tobacco Corporation, SPIC, China Resources, Country Garden and other large enterprises. On this basis, the company vigorously expands overseas business. Its products have been exported to Indonesia, Cambodia, the Philippines, Kazakhstan, Kenya and many other countries and regions, forming an initial global supply and service system that greatly enhances its market competitiveness and industrial influence. In addition, the company deepens industry-university-research cooperation and establishes long-term partnerships with universities including Southeast University, North China Electric Power University and Northwestern Polytechnical University. It has built a collaborative ecosystem integrating talent cultivation, technological innovation and industrial application, precisely aligning industrial demands with higher education and injecting sustained momentum into industrial transformation and upgrading.
Centered on high-quality development, the company takes innovation as its core driving force and keeps increasing investment in intelligent manufacturing and technological R&D:

First, it advances scientific research and commercialization of achievements in parallel. As of 2025, the company has obtained over 40 national authorized patents (including more than 25 invention patents) and 10 computer software copyrights. It has won numerous authoritative honors such as National High-tech Enterprise, National Technology-based Small and Medium-sized Enterprise, National Green Factory, Jiangxi Specialized, Refined, Unique & Innovative Enterprise, and Jiangxi Famous Brand. It has also obtained certifications including carbon footprint assessment and green supply chain evaluation system, fully demonstrating its leading strengths in technological innovation, green development and sustainable supply chain management. The company has been approved to establish the Nanchang Engineering Technology Research Center and Nanchang Municipal Enterprise Technology Center, and its development stories have been featured in special reports by China Industry News, continuously elevating its industrial influence. It has also participated in compiling 4 group standards.

Second, it has built an advanced intelligent production system and a high-caliber talent pool. The company boasts over 50 core technical personnel with senior professional titles, accumulating profound technical expertise in electrical design, automatic control and other fields to underpin its talent development.
In 2025, the company maintained steady growth in operation: annual operating revenue rose by 10.43% year-on-year, output value increased by 4% year-on-year, tax payment grew by 6.8% year-on-year, and operating profit saw a year-on-year increase of 11.4%, with all core benefit indicators rising simultaneously. From January to May 2026, the company achieved operating revenue of RMB 175 million, with asset liability ratio controlled below 50%. Capital turnover remains smooth, presenting a sound and robust overall financial performance.
The company operates 50 service outlets nationwide to deliver rapid response and targeted support in emergencies. It has received 7 official thank-you letters from key clients for emergency supply guarantee, fully demonstrating its robust supply capacity and emergency service capabilities.
Looking ahead, Jiangxi Harrl Group will further advance the dual-drive strategy of "Digital Intelligence + Green Development", focusing on high-end, intelligent, eco-friendly and internationalized growth. Guided by its vision of "Building a Chinese technology enterprise integrating green and intelligent power industry", the company will actively fulfill its social responsibilities as a private enterprise, and contribute greater efforts to advancing high-quality development of the power equipment manufacturing industry and building an efficient, intelligent and clean electrical world.

As a well-known enterprise specializing in marine operations, Yantai Salvage Bureau has always been at the forefront in providing comprehensive and high-quality services for global marine engineering. Over the years, Yantai Salvage Bureau has established a solid industry reputation through its reliability, professionalism, and technical expertise.

The company's core business scope covers full-field services related to the ocean, specifically including: offshore lifting, ocean transportation, deep-water pipe-laying, offshore new energy construction, offshore salvage and rescue, diving engineering services, underwater inspection and maintenance services for offshore platforms, ship repair, ship construction, etc. We always take the pursuit of operational excellence, safety assurance, and marine environmental protection as our core mission, providing customers with customized solutions to meet various needs from emergency rescue missions to large-scale offshore engineering projects.

The company owns 46 vessels of various types, including: 1 5000-ton full-rotation crane pipe-laying vessel with DP3 dynamic positioning function; 5 salvage engineering vessels such as 3600-ton large floating crane vessel, 1700-ton full-rotation floating crane vessel, and 700-ton floating crane vessel; 29 various tugboats and offshore support vessels, among which 5 vessels have DP dynamic positioning function, 5 vessels have main engine power above 10,000 horsepower, 1 all-electric propulsion multi-purpose vessel, and 1 oil spill recovery vessel; 7 various barges, including 2 20,000-ton self-propelled barges and 5 other self-propelled barges, non-self-propelled barges, and semi-submersible barges; 4 wind turbine installation vessels, including 1 1200-ton jack-up wind turbine installation vessel, 1 1200-ton bottom-sitting wind turbine installation vessel, and 1 each of 800-ton and 600-ton wind turbine installation special floating bodies. There are 3 vessels under construction and planned for construction, including: 1 5600-ton class full-rotation crane vessel with DP2 dynamic positioning function; 1 8000-horsepower nearshore support vessel; and 1 10,000-horsepower nearshore support vessel.

At Yantai Salvage Bureau, we always follow the highest international and national standards to ensure service quality, team safety, and marine environmental protection. The company's management system has been officially certified by the globally recognized certification body — CCSC, demonstrating our firm commitment to industry best practices:

Quality Management System: Complies with GB/T 19001-2016/ISO 9001:2015 standard;

Environmental Management System: Complies with GB/T 24001-2016/ISO 14001:2015 standard;

Occupational Health and Safety Management System: Complies with GB/T 45001-2020/ISO 45001:2018 standard;

Upholding the spirit of innovation and the customer-first philosophy, Yantai Salvage Bureau continuously expands its business capabilities and explores new areas in the marine industry. We are committed to establishing long-term partnerships with global customers and creating value through professional strength, integrity, and reliable service.

Founded in 2004, QUEENDOM Technology Co., Ltd. is a national technology-based enterprise integrating R&D, production, sales and service. It mainly develops, produces and sells semiconductor packaging equipment, smart products, smart lighting, agricultural lighting, cold chain lighting, and automated intelligent application production equipment manufacturing and other products; the business covers the entire LED industry chain: from LED light source semiconductor packaging equipment to LED lamps, integrated LED lighting overall solutions, we will continue to develop more diversified LED products and provide customers with a variety of impeccable product solutions. At the same time, it was selected as a qualified supplier of Fortune 500 companies and recognized by many customers of well-known global companies.

QUEENDOM semiconductor packaging devices, medium and high power lamp beads, SMD lamp beads, plug-in lamp beads, infrared and high-voltage lamp beads, etc., and is recognized by the industry as a professional supplier of optoelectronic device solutions; widely used in major solutions for new energy, medical, security, automotive, lighting, agriculture, and high-precision light source product application light sources.

QUEENDOM LED lighting industry chain products focus on LED specialty lamps: commercial emergency induction lighting, industrial waterproof UV lighting, solar lighting series, OEM/ODM, etc.; a series of solutions in industrial lighting, agricultural lighting, cold chain lighting and animal husbandry lighting; widely used in modern new energy charging stations, agricultural lighting, cold chain animal husbandry factories, cold chain industry, shopping malls and supermarkets, national infrastructure, government agencies, hospital learning, venue construction, etc.
Enterprise scale
Equipped with internationally advanced equipment testing equipment, equipped with precision testing equipment: LED packaging production line automatic crystal bondi