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weifang,Weifang,Shandong,China China
Our products are and are only Class T or SM couplings.The couplings are not only special in oilfield but also with high quality and ultralow price.
My company mainly produces coupling for the connecting rod. Various models all can produce, and can also be customized
1.)material :40Cr or other(according to demand) AISI5140 2.)standard: API SPEC11B 3.Coat Thickness( in ): 0.01in-0.02in 4.Surface hardn
1.Coat Thickness( in ): 0.01in-0.02in 2. Surface hardness: HRC56-62 Basic hardness HRA56-62 3.Life: > 180days 4.Min. Tensile Strength:
1.)material :40Cr or other2.)standard: API SPEC11B 3.)Feature: 1.Coat Thickness( in ): 0.01in-0.02in 2. Surface hardness: HRC56-62 Basic ha
1.)material :40Cr or other(according to demand) AISI5140 2.)standard: API SPEC11B 3.)Feature: 1.Coat Thickness( in ): 0.01in-0.02in 2. Surfac
1.)material :40Cr or other 2.)standard: API SPEC11B 3.)Feature: 1.Coat Thickness( in ): 0.01in-0.02in 2. Surface hardness: HRC56-62 Basi
Our products are and are only Class T or SM couplings.The couplings are not only special in oilfield but also with high quality and ultralow price. A
連絡先担当者 zhang james
住所 weifang, Weifang, Shandong
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