Luoyang Shanhai Machinery Manufacturing Co., Ltd. is a comprehensive enterprise integrating the development, design, production, sales, and after-sales service of tunnel lining complete construction equipment, mining machinery equipment, and construction engineering machinery. The company boasts a team of professional talents, including dozens of mid-to-senior technical personnel and over 156 mid-to-senior skilled workers, after-sales installation workers, and experienced workers.
The company is equipped with a steel structure production and processing workshop, as well as auxiliary workshops for machining, hydraulics, heat treatment, riveting and welding, and sheet metal processing. It possesses a complete set of mechanical processing, maintenance, and testing equipment. The annual production capacity includes 200 sets of various specifications of mining machinery equipment and tunnel lining complete construction machinery, with an annual output of approximately 15,000 tons and an annual turnover of 120 million yuan.
The company's main products include: tunnel excavation platforms, hydraulic invert trestle bridges, automatic waterproof membrane laying and hanging trolleys, automatic pouring lining trolleys, spray curing trolleys, drainage and cable trough trolleys, subway trolleys, special-shaped formwork for underground caverns, utility tunnel formwork, open-cut tunnel inner and outer formwork trolleys, bridge steel formwork, and various non-standard steel structure formwork.
Chengdu Dahongli Machinery Co., Ltd. is a listed company (Stock Code: 300865) specializing in the manufacturing and servicing of mining machinery equipment.
With a mission to manufacture sand and gravel equipment, develop the sand and gravel industry, and build a better world, Dahongli is dedicated to providing domestic and international clients with five major categories of products: sand and gravel crushing and screening equipment, mining crushing and screening equipment, complete sand and gravel production lines, environmentally friendly intelligent crushing plants, and green materials technology parks. Additionally, the company offers rental services for 300-type environmentally friendly sand and gravel crushing stations.
Dahongli places customers at the heart of its operations, with a sales and service network that spans across all provinces and cities in China, as well as more than 20 countries and regions along the "Belt and Road" initiative, providing round-the-clock responsive services to clients both at home and abroad.
The company boasts three research and manufacturing bases covering an area of 270,000 square meters, which robustly support the production of current generations of products, the development of future generations, and the reserve of upcoming innovations. Dahongli has secured 398 patents, including 26 invention patents and 12 software copyrights.
Dahongli looks forward to forming mutually beneficial partnerships with more new and existing customers, driving the high-quality development of the industry.
Jinan Heavy Industries was established in 1949, with more than 1,100 employees, covering an area of 410,000 square meters, and total assets of 5 billion yuan. The company owns over 700 sets of advanced large-scale production equipment, with strong manufacturing capabilities.
In the tunnel boring equipment sector, on May 17, 2016, Shandong's first large-diameter metro tunnel shield machine successfully rolled off the production line, achieving "shield machines made in Shandong." On August 29, 2022, the self-developed "JZS6250H slurry balance shield machine" won the gold award at Shandong Province's 4th "Governor's Cup" Industrial Design Competition. On September 17, 2022, the first "Smart No. 1" shield machine equipped with an intelligent equipment system was produced, marking the entry of "Jinan-made" shield machines into the "2.0 intelligent era." On November 27, 2023, and May 19, 2024, respectively, Shandong's first 9-meter large-diameter shield machine "Qilu" and the world's largest slurry balance shield machine with a 17.5-meter diameter for ongoing projects "Shanhe" were successfully rolled off the production line, marking a new milestone for high-end equipment manufacturing in Shandong. As of October 2024, over 140 shield machines have been delivered for rail transit and water resource allocation projects in cities like Jinan, Beijing, Hangzhou, Nanjing, and Zhengzhou, with a cumulative tunneling distance of 380 km.
In the power and mining equipment sector, the company's mill products have been recognized as "China Famous Brand Products." In February 2024, the world's largest ball mill for the alumina industry, the "MQY629 8" overflow ball mill, was produced. In the environmental protection equipment sector, the company developed and produced the country's first environmental desulfurization mill and drafted its national standard. The domestic market share for this product exceeds 60%, and over the past 40 years, the company has provided more than 2,000 sets of mill equipment to customers in power, mining, chemical, metallurgy, and environmental protection industries both domestically and abroad. In the metallurgical equipment sector, the company produced China's first 273 hot-rolled seamless steel pipe production line, filling a domestic gap.
In the coal chemical equipment sector, the market share of slurry coal mills has steadily increased, currently accounting for over 88% of the domestic coal chemical industry's market share, holding the leading position.
The company has been recognized as a national large enterprise, advanced enterprise in independent innovation, and a high-tech enterprise. It has a nationally recognized enterprise technology center, a post-doctoral research station, and Shandong Province's Environmental Desulfurization Engineering Technology Research Center. The company employs over 300 engineering and technical personnel, including 2 PhDs, 120 Masters, and the rest holding Bachelor's degrees. It also has 2 senior titles, 90 intermediate titles, and 155 junior titles, with over 180 technicians and senior technicians.
The company currently holds more than 500 patents, including 25 invention patents. These patents cover shield machines, desulfurization mills, power equipment, mining equipment, and key components, consolidating a large number of core and key technologies in the industry.
Handar Civil Explosives Group Co., Ltd. is a wholly-owned subsidiary of Guangdong Handar Holding Group Co., Ltd. (stock abbreviation: Guangdong Handar, stock code: 002683), a holding enterprise of GDHUANBAO Group Co., Ltd., which is under the supervision of the Guangdong Provincial State-owned Assets Supervision and Administration Commission. The main business scope includes the manufacturing of industrial explosives and industrial detonators, general machinery equipment processing and manufacturing, technology transfer, blasting technology consulting, blasting plan design, and construction, etc.
The group has sound qualifications, with a production capacity of 697,500 tons of industrial explosives, 5 million electric detonators, 52.24 million electronic detonators, 20 million detonating cord detonators, 200 tons of detonating devices, 12 million meters of industrial detonating cord, and 120 million meters of detonating cord. It holds a first-class commercial blasting qualification, and both its scale and quality are among the top in the country. The group has 17 affiliated and controlling companies covering the full industrial chain, including research and development, production, sales, raw material supply, and blasting services of civil explosives. Its business spans across regions such as South China, North China, Northeast, and Northwest.
Handar Civil Explosives Group adheres to a global development strategy and actively expands into overseas markets. The group has established a representative office in Central Asia to collaborate with local enterprises, promoting regional civil explosives technology exchanges and business cooperation, and providing strong support for infrastructure construction in Central Asia. In Tanzania, Africa, the group established Tanzania Handar Civil Explosives Equipment Co., Ltd., using this subsidiary as a base to expand into surrounding countries and actively participate in mineral development projects to contribute to Africa's economic development. In South America, the group acquired and integrated Peru's Southern Explosives Company into "HANDAR EXSUR," successfully entering the local market and increasing its market share and competitiveness. Additionally, the group is actively negotiating and collaborating with countries such as Georgia, Ecuador, Cambodia, Malaysia, and Mongolia. The group will fully leverage its advantages in technology, products, and services, working with international partners to jointly promote the globalization of the civil explosives industry and contribute to global infrastructure construction and economic development.
Guangxi Briwater Environment Investment Co., Ltd. is an integrated environmental service and supporting provider engaged in scientific research, investment, intelligent manufacturing, construction, and operation. Its technologies and products are widely applied in various fields, including domestic water supply, municipal wastewater, rural and township sewage, industrial wastewater, medical wastewater, oily wastewater, landfill leachate, and slaughterhouse wastewater.
The company’s independently developed nano ceramic membrane water treatment process and multifunctional series of integrated environmental protection equipment are listed as National Key Practical Environmental Protection Technologies and China’s First (Set) Major Technical Equipment. As a new type of nano ceramic membrane MBR process, it integrates advanced flat-sheet ceramic membrane materials with an innovative activated sludge wastewater treatment process, marking a significant breakthrough in the treatment of complex industrial and municipal wastewater. The company was the first in China to realize the large-scale application of flat-sheet ceramic membranes in the field of wastewater treatment, filling the domestic gap in ten-thousand-ton-scale wastewater treatment using nano ceramic membranes. Our environmental technologies and equipment are widely applied in both large-scale centralized and distributed wastewater treatment projects, with more than 300 engineering cases at home and abroad, and have been recognized by the Ministry of Housing and Urban-Rural Development as a “Municipal Utility Science and Technology Demonstration Project.”
Supported by strong technological capabilities, the company has built China’s first nano ceramic membrane industrialization base, covering an area of 120 mu. The base is equipped with advanced fully automated production lines for ceramic membrane materials, and has intelligent manufacturing capabilities for integrating and assembling various membrane material technologies. It boasts an annual production capacity of 400,000 square meters of ceramic membranes and 800 sets of high-end environmental protection equipment. The company also houses the Guangxi Innovation Center for Nano Ceramic Membrane Water Treatment Technology, which specializes in R&D of ceramic membrane materials and water quality testing. Within the base, there is an industrial wastewater treatment plant with a designed capacity of 20,000t/d, adopting core flat-sheet ceramic membrane technology, with effluent quality meeting Surface Water Class III standards.
The nano ceramic membrane industrial base enables the company to establish a complete technology-driven industrial chain, integrating “ceramic membrane material production + water treatment process R&D + intelligent environmental equipment manufacturing + engineering application + comprehensive services.” It addresses the critical issue of foreign technology bottlenecks in core material development and application, realizes the substitution of imported products, and creates an innovative development model for the entire chain—from membrane material R&D and production to industrial application—enhancing core competitiveness and shaping a new business model.
The company has introduced top-tier talents, including appointing Academician Peng Yongzhen of the Chinese Academy of Engineering as a specially invited expert. It has also established an industry-university-research base for the National Engineering Laboratory for Advanced Treatment and Resource Recovery of Urban Sewage. Academician Peng’s globally pioneering and internationally advanced AOA technology was first implemented by the company in the Phase II project of the Cengxi Wastewater Treatment Plant (30,000t/d) in Guangxi, significantly improving the local living environment and contributing to regional economic and social development.
Ruilong Group is a high-tech enterprise in Southwest China specializing in the research, development, and production of intelligent bridge and tunnel equipment. With over a hundred independent intellectual property rights, a professional R&D team, and senior technical personnel, it has become a leader in the field of bridge and tunnel construction equipment for Chinese infrastructure.
Dongguan TW-SCIE Co., Ltd. is a high-tech enterprise specializing in the research and development, production, processing, sales, and network engineering of optical fiber communication products, power optical cables, and power fittings, with independent import rights. The company was established in 2007 with a registered capital of 152.8 million RMB and is located in Qingxi Town, Dongguan City. It has established production bases in Qingxi, Dongguan, and Deyang, Sichuan, with a factory area of approximately 60,000 square meters. The company has introduced advanced equipment such as the Rosendahl Nextrom optical fiber coloring machine, equipment from American companies PK and GE, Japanese Fujikura, and Beijing Brighty, among others. It possesses domestic coloring machines, stainless steel tube production lines, cage stranding production lines, tube stranding production lines, secondary coating lines, SZ stranding machines, sheathing lines, and butterfly optical cable production lines. The company has a group of loyal, dedicated, intelligent, and highly professional technical personnel, with R&D staff accounting for about 20% of the total factory workforce. The company invests over 3 million RMB annually in R&D. Its long-term cooperative clients include State Grid, China Southern Power Grid, provincial power transmission and transformation companies, China Power Construction, China Unicom, National Radio and Television Administration, Sinopec, China Railway Bureau, military, and other enterprises, with which it has established long-term strategic partnerships, committed to advancing the development and application of world-leading optical communication technologies. The main products developed, produced, and operated by the company include OPGW optical cables, ADSS optical cables, indoor/outdoor optical cables, butterfly optical cables, pre-terminated cables, pigtails, and a series of passive optical devices. These products are widely used in industries such as telecommunications, power, railways, and military, and are exported to many countries and regions, including the Americas, Europe, the Middle East, and Southeast Asia.
The company's current annual production capacity is as follows: 20,000 skin-length kilometers of OPGW optical cables, 5 million core-kilometers of outdoor optical cables, and 1.5 million core-kilometers of butterfly optical cables. The annual sales revenue exceeds 800 million RMB, with annual tax contributions of over 50 million RMB.
Shenzhen SDG Information Co., Ltd., listed on the main board of the Shenzhen Stock Exchange in 2000, is a state-controlled national high-tech enterprise with its primary shareholder being Shenzhen SDG Group Co., Ltd., a directly managed enterprise under the Shenzhen State-owned Assets Supervision and Administration Commission. The company focuses on the optical communication field, developing three major business segments: optical fiber and cable, intelligent access, and military informatization. It continuously enhances and refines its capability to provide systematic solutions, offering professional solutions across multiple domains, including 5G fronthaul solutions, smart grid solutions, online monitoring solutions, data center solutions, smart park solutions, smart building solutions, high-performance computing solutions, and professional measurement and control hardware solutions. The company is also transitioning and upgrading toward becoming an ICT system integration service provider. It has established a comprehensive sales and service system in multiple countries and regions globally, with several industrial bases in South China, Southwest China, East China, and North China, as well as over ten wholly-owned or controlled subsidiaries. The company possesses a National Recognized Enterprise Technology Center, an Academician (Expert) Workstation, an Optical Chip Joint Laboratory, an Optical Fiber and Cable Engineering Technology Research Center, and a National Recognized CNAS Testing Center.
Shaanxi Diesel Heavy Industry Co., Ltd. is one of China's leading manufacturers of medium- and high-speed high-power diesel engines and a complete-set supplier of diesel gensets. It serves as a scientific research and production base for main propulsion systems of various types of naval vessels and is currently the largest domestic supplier of complete diesel gensets for nuclear power plants. The company specializes in the engineering design and complete equipment supply of diesel gensets for the nuclear power sector, providing customers with comprehensive technical solutions for diesel genset projects. After more than a decade of experience in the nuclear power field, it has built a professional project execution team with expertise in technology, management, quality, procurement, commissioning, and other areas.