Qingdao Weilong Valve Co., Ltd. was established in October 1992. With the approval of the China Securities Regulatory Commission, it was listed on the Shenzhen Stock Exchange in May 2017 (stock code: 002871), and its production bases are distributed in Qingdao High-tech Zone and Laizhou City.

The company mainly produces gate valves, butterfly valves, check valves, filters, exhaust valves, bottom valves, shut-off valves, alarm valves, rain shower valves, balance valves, eccentric half-ball valves, flow control valves, and reverse flow Prevention devices, fire hydrants and other products, including more than 150 models and more than 2,000 specifications. The maximum caliber can reach DN2600, and the products are sold to the United States, Europe, Australia, Central and South America, the Middle East and other places.

The certifications obtained by the company include: ISO9001-2008 quality management system certification, ISO14001 environmental management system certification, OHSAS 18001 occupational health and safety management system certification, China National Mandatory Product Certification (CCCF), China Classification Society CCS Type Certification, EU CE Certification, US Fire FM certification, US Fire UL certification, German VDS certification, French CNPP certification, Kuwait Fire Certification, Russian GOST certification, British Water WRAS certification, Australian Water WATERMARK/OECANMARK/GASMARK certification, etc., are unanimously recognized by domestic and foreign customers .

After years of development, a production and operation system has been formed that integrates scientific research, manufacturing and sales. The company has a professional R&D team, and the production process is strictly implemented in accordance with international standards; it has a strict quality management system, and the products fully meet the technical requirements of import and export countries; the company adheres to the belief of "customer first" and always puts customer needs first; With the concept of "integrity global, innovative brand, pursuit of excellence, and continuous excellence" and the corporate spirit of "integrity, responsibility, communication and cooperation", we provide global users with high-quality valve products and timely and thoughtful services, and strive to become the first-class in the global valve industry. Manufacturer!