Shanghai Guanlong Valve Energy Saving Equipment Co., Ltd. was established in 1991. It is a domestic investment enterprise in Hong Kong, Macao and Taiwan that develops and manufactures water supply and drainage valves, industrial valves, their automatic control systems and environmental protection equipment. In April 2022, the company was successfully listed on the GEM.

Guanlong Energy Saving is mainly engaged in the research, development, design, production and sales of water-saving valves. Its main products include butterfly valves, gate valves, control valves, check valves and other valve products and other supporting products, mainly used in downstream urban water supply and drainage, water conservancy and industry. and export to the United States, Germany, the United Kingdom, Australia, Japan, South Africa, Brazil and other countries.

At present, the company has more than 800 employees and has more than 100 national patents. Various economic indicators have been continuously improved since 2004. The company has established a complete quality management system in the process of enterprise development, established various rules and regulations of the enterprise, and strictly controlled the relevant quality management in the market research, design and development, process preparation procurement and supply, production and manufacturing, metrology monitoring, sales services and other links. . In 1999 and 2000, ISO9001 quality certification and ISO14001 environmental certification respectively, and successively obtained the EU "CE" product quality certification, the US "FM" fire protection product certification, the British Water Association's "WRAS" product quality and sanitary license certification, etc. International certification.

"Guanlong Valve, pay attention to people's livelihood." Water for people's livelihood is a major national plan. Guanlong has been working hard to improve the quality of water for people and make the company bigger and stronger, while creating a well-known international brand in China.