China Langge Valve Technology Co., Ltd., founded in 1998, integrates R&D, production, sales and service of valves, sets up two factories in Wenzhou Anfeng Industrial Zone and Tianjin Xiditou Industrial Zone, is the one of most professional industrial valve manufacturer in China. The headquarters covers an area of 27,000 square meters and a building area of 19,900 square meters.

100 employees, 5 engineers, with high-tech equipment, processing and testing equipment. Our main products are ball valves, butterfly valves, gate valves, globe valves, check valves, knife gate valves, plug valve, needle valves and a variety of special valves. The main materials are WCB, WCC, WC6, WC9, LCB, CF3, CF3M, CF8, CF8M, CF8C, A105, F5, F11, F22, LF2 , F51, F304, F304L, F316, F317, F347, F21, M30C, MONEL400, MONEL K500, HASTELLOYC4 and so on. Pressure: 150LB ~ 2500LB, PN1.0 ~ 42MPa. Temperature: -196 ℃ ~ 850 ℃, DN: 3/8’ ~ 72’, 3mm ~ 4200mm. Actuator way: manual, gear rotation, electric, pneumatic, hydraulic Standard: API, ANSI, ISO, BS, JIS, DIN, NF, GB, JS, HG, SH.

We possesses advanced physical and chemical test center, professional CNC processing, pressure testing automatic production facilities and experienced technical production team. The factory implements wholly ISO quality standard system to ensure the quality of the products, achieving all kinds of certificate as ISO9001, ISO14001, ISO28001, TS, CE,TUV, BV, etc.

The company has a very strict scientific management system, reasonable product structure, reliable, unique and exquisite manufacturing process. The products are widely used in petrochemical, natural gas, metallurgy, electric power, pharmaceutical, construction, sewage treatment and environmental protection industries and exported to Russia, the Middle East, Southeast Asia, Europe and the United States and other countries and regions, widely praised and trust by users.

1. Our history

CLG VALVE, found in 1998, with the headquarter DBV factory in Wenzhou Anfeng Industrial Zone, which mainly design and produce butterfly valve, ball valve, gate, globe & check valve.

With the growth of our business, and in order to meet customer’s requirements, we set up a specialized center line butterfly valve workshop in Tianjin, including wafer, flange, butt welding center line soft seat butterfly valve.

2. Product Range

Butterfly valve: GB, API, DIN, GOST butterfly valves, including metal seat butterfly valves, lever metal seat butterfly valves, wafer metal seat butterfly valves, flange metal seat butterfly valves, wafer soft sealing butterfly valves, flange soft sealing butterfly valves, double directional metal sealing butterfly valves, butt-welding metal sealing butterfly valves,cryogenic butterfly valves,telescopic butterfly valves, ventilated butterfly valves, electrical control butterfly valves, high performance butterfly valves, hydraulic butterfly valves, metal seat butterfly valves with c/w Lever & Weight+Dashpot, etc.  

Ball valve:  GB, API, DIN, GOST ball valves, including metal seated ball valves, metal to metal flange ball valves, metal to metal buttwelding ball valves, metal to metal floating ball valves, metal to metal trunnion mounted ball valves, metal to metal three way ball valves, cryogenic ball valves, fraction ball valves, eccentric half ball valves, V type ball valves, fluorine lined ball valves, ceramics ball valves, 2pc threaded ball valves, 3pc threaded ball valves, vacuum ball valves, etc.  

Vision & Mission:

CLG Valve Technology Co.,Ltd. seeks to be perceived be a respected, quality supplier of industry valves in the market we serve. We wish to be relied upon as Valve Specialists. We seek to achieve our goals though technical competence in the products we represent, in how we serve and support our customers, and by conducting ourselves honestly, sincerely, and with the highest level of integrity. Among our peers, China Lange Valve Technology Co., Ltd. seeks to be known as offering unequaled support to our clients while creating a work environment conducive to individual personal growth.

We will continue to do whatever it takes to be better than the rest, and to bring our customers unique products with a distinct combination of industry-leading quality and innovation.