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In 1973, the high-pressure gate valve for offshore oil extraction was successfully trial-produced, and the product was first applied to China‘s first exploratio...
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13003106660In 1973, the high-pressure gate valve for offshore oil extraction was successfully trial-produced, and the product was first applied to China‘s first exploratio...
Learn moreMain products of coal chemical industry: American standard API gate valves, globe valves, check valves, ball valves, butterfly valves, cryogenic valves; nationa...
Learn moreMain products of metallurgical steel: National standard gate valves, globe valves, check valves, ball valves, butterfly valves, national standard fluorine-lined...
Learn moreWater Conservancy and Water Affairs In 1952, the first 2 "1,500-pound high-pressure cast steel valve was successfully manufactured, marking the beginning...
Learn moreWater Conservancy and Water Affairs In 1952, the first 2 "1,500-pound high-pressure cast steel valve was successfully manufactured, marking the beginning...
Learn moreWater Conservancy and Water Affairs In 1952, the first 2 "1,500-pound high-pressure cast steel valve was successfully manufactured, marking the beginning...
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