Zhejiang Liju Thermal Equipment Co., Ltd., formerly known as Hangzhou Liju Hot Water Boiler Co., Ltd., was founded in 1997. The company's headquarters is located in Huzhou, Zhejiang. It is a high-tech enterprise integrating research and development, production, sales and service. The company holds Class A boiler manufacturing license, Class B boiler installation (including renovation and repair) license, and Class D pressure vessel production license. It has passed Zhejiang Manufacturing International Alliance certification, American ASME certification, ISO 9001, ISO 14001, and ISO 45001 management system certifications. It has been awarded "National Green Factory", Green Supply Chain Enterprise, Green Design Demonstration Enterprise for Industrial Products, Manufacturing Single Champion, Zhejiang Province "Invisible Champion" Enterprise, 2022 Zhejiang Private Economy Science and Technology Innovation Emerging Enterprise, and "National Specialized, High-end and Innovation-driven Little Giant" Enterprise. The company currently has nearly 800 employees and an annual production capacity of 10,000 steam tons of gas boilers. It has become one of the leading ultra-low nitrogen gas boiler manufacturers in China in terms of technical strength and scale.

Since its establishment, the company has focused on the research and development and production of vacuum phase-change hot water boilers. It has long adhered to the business philosophy of "science and technology constitute a primary productive force, professionalism builds great achievements". It has persisted in high investment in research and development and has obtained nearly one hundred national patents, including 10 Chinese invention patents and 3 American invention patents. One of Liju's core technologies — WCB water-cooled premixed ultra-low nitrogen combustion technology — was independently developed by Liju, possesses completely independent intellectual property rights, and won the first prize of the inaugural Boiler Science and Technology Award. This technology product achieved the world's first safe and stable operation of a single-module 46MW fully premixed gas boiler, breaking foreign monopoly and filling the domestic gap. The WCB water-cooled premixed combustion technology can efficiently inhibit the synthesis of nitrogen oxides (NO_x), achieving ultra-low nitrogen emissions (NO_x < 20mg/m³), meeting China's most stringent ultra-low nitrogen emission standards. The company's main products include: water-cooled premixed ultra-low nitrogen gas phase-change hot water boilers, water-cooled premixed ultra-low nitrogen gas condensing steam boilers, water-cooled premixed ultra-low nitrogen gas heat pipe steam generators (exemption from supervision steam boilers), and electrode phase-change hot water and steam boilers.

Liju has long upheld the core values of "customer-oriented, pursuing the material and spiritual happiness of all employees, and contributing to the world's boiler safety and energy-saving cause". It has more than 50 directly affiliated offices in major cities across the country, committed to providing safer, more energy-saving, more environmentally friendly, and smarter heating system solutions for civil life and industrial production users in China. Its products are exported to the United States, Thailand, Singapore, Malaysia, Kazakhstan, Kyrgyzstan, Uzbekistan and other countries.