Technical R&D
No stop to pursue the technical innovation
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Product processing
Using R-ray non-destructive testing center, valve machining center, valve performance testing centre. -
2
Strictly control
Strictly control such as all kinds of machine processing, special technology etc. -
3
equipment
Possess the first class spraying technology and equipment, it adopts special technology to spray super-hard layer on the internal parts such as valve disc, seat, body etc. -
4
Corrosion resistance
The wear-resisting valve products of Welco have super resistance to the abrasive mediums such as chemistry corrosion and solid particles etc. It takes the leading position of the same industry and has reached the international advanced level. -
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Product evaluation
Our engineers are continuously evaluating our existing product utilizing all of advanced analysis and engineering tools to assure that our valves conform to customer requirements as well as industry standards. Additionally, they are subjected to cyclic operation under pressure to determine wear/life expectancy.

Objectives
Third party inspection avaliable. We offer any third party inspection like: GS, BV, TUV, UL, ITS, CE, SGS, RoHS etc.
Outstanding customer feedback
No product rejected
On time delivery
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