Welco About
Welco

It was founded in 2009, which is one of the leading valve manufacturers in China. After more than ten years of innovation development, nowdays it has three manufacturing bases, more than 10 professional collaboration factories as one whole, total covering 65000 square meters, over 200 staffs which including 15 senior engineers and 30 inspectors, and 500 sets of precise equipments.

2009

Established in
65000
M²

Covering an area of

why choose us

System certification

We now hold Norway DNV of IS09001 quality system certification, API-6D & API 609 certification, CE certification, IS014001 environmental management system certification, the OHSAS18001 occupational health management system certification, the General Administration of Quality Supervision, Inspection and Quarantine "AZ" logo certification.
R&D

Welco specializes research & design, foundry, production, sales & service of ball valve, gate valve, globe valve, check valve, butterfly valve, power-station valves, and other special non-standard valves, covering hundreds of types of valves, thousands of specifications.
patent

Now we have been assessed as a national high-tech enterprises, Yongjia valve characteristic industrial enterprises, research and development department has been identified as provincial technical center by the 20 national patents.

What We Do

We has 280 kilowatts of electric treatment furnace, 4m vertical lathe, such as plasma spray, plasma welding, shielded arc welding of carbon dioxide and other sophisticated machining equipment; also has physical and chemical, mechanical properties, thickness, hardness, valve service life, spectral metallographic and ultra-high pressure inspection devices, a series of advanced testing equipment such as X-ray, magnetic particle, ultrasonic, etc.

Our group adhering to the spirit of "to lead the industry technology level, to create a world brand", relying on superior product performance, a good business reputation and excellent achievement, we rapidly become the well-known brands of China valve hometown.