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Yantai Aisili New Materials Co., Ltd.

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Double inner thread of thickened ball valve
Release time:2017-10-26   View times:1081
Double inner thread of thickened ball valve Double inner screw 1/4 thickened valve Inner and external thread of thickened ball valve The ball screw and 1/4 thickening
  Double inner screw 3/8 thickened valve    
Double inner screw 1/2 thickened valve The ball screw and 1/2 thickening