chemical,Food,Ship,Buiding,Paper,Chemical,Agricultural,Piping
Construction and Dyeing Industry Etc.
All of our products are manufactured strictly in accordance with ISO9001 Quality Control System and...
We CHINA YOY VALVE GROUP possesses 25 years experience mainly in design, manufacture, sales on API ANSI DIN GB Standards Cast Steel and Stainless Steel safety valve, butterfly valve, ball valve,gate...
API and CE certification, and now we manufactured to the advanced international standards, such as API;ANSI;BS;DIN;JIS;JPI and GB ,or no standard products to meet customers' requests, like Knife gate...
chemical products based on modern science and technology.
we produce API,pharmaceutical intermediates and special chemicals,handling different quantities from milligrams to multi-kgs.
For example:...
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