| 蝶型阀买家 |
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| | We're in great need Butterfly Valves please send all quotation to our Registered email ONLY email to *** won't be responded to. Sincerely
| | | | | Butterfly valves. For butterfly valves we need it to be done in grey iron body. For the butterfly valve disc we need two types of material that is one in casting and one in stainless steel. ...
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