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Jinan Shuangke Forging Mechanical Co., Ltd., founded in 2005, is a professional manufacturer offering variety of forged flanges. All the types,slip-on flange,blind flange,threaded flange, plate flange,weld neck flange can be offered.The standards refer to ANSI,JIS,SABS,GOST,DIN,BS,AS,UNI etc.We also
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