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Basic Design API 6D, API608 BS 5351 Shell Wall Thickness ASME B16.34, BS 5351 Flanged Ends ASME B16.5 B
We are China flange ball valve manufacturer offer best flange ball valve OEM, ODM,service.

Basic Design API 6D, API608 BS 5351 Shell Wall Thickness ASME B16.34, BS 5351 Flanged Ends ASME B16.5 B
We are China flange ball valve manufacturer offer best flange ball valve OEM, ODM,service.

