About CHANGSHUI
Technical personnel
Plant area
Number of valves installed
We provide quality products and services to customers from all over the world
Product supply
24h service
Somewhere between the handle and the pipe, a ball valve does its quiet work: a quarter turn, a bore...
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If you have spent any time on a municipal water specification, you have met the letters AWWA on the...
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ASTM A105 appears on countless valve and flange drawings, yet it remains one of the most frequently...
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Every pressure system has one device whose only job is to fail safely. When a blocked outlet, a jam...
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If you have ever opened ASME B16.34 looking for one number and closed it forty minutes later withou...
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Ask three people to explain the difference between API 607 and API 608 and you will usually get thr...
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Somewhere between the handle and the pipe, a ball valve does its quiet work: a quarter turn, a bored sphere, and a pair of seats that decide whether the line stays tight for the next twenty years. None of it is visible ...
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