butt welding loop sheath steel pipe flange(China butt welding loop sheath steel pipe flange Manufacturer) - Competitive butt welding loop sheath steel pipe flange Company from China::MYPU.NET

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Langfang Anci Changqing Petroleum Pipe Fittings Co., Ltd.

hebei langfang

[ Manufacturer ]Main business are Carbon steel, Alloy steel forgings

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2011-11-30

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