api flange

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[CN] Zhengzhou Huitong Pipe Fittings Co., Ltd. [Manufacturer]
Key Products/Services:
Business Overview: Zhengzhou Huitong Pipe Fittings Co., Ltd., belonging to Huitong Pipe Fittings Manufacturing Group Co., Ltd., is mainly engaged in exporting steel pipe and p...

[CN] Shanghai Autotight Valve&Fitting Co.,ltd [Manufacturer]
Key Products/Services:
Business Overview: Shanghai Autotight Valve&Fitting Co., Ltd. is a professional and diversified valve manufacturer,specializing in ball valve, gate valve, globe valve, non-ret...