Lifting sub is made of AISI 4145H modified Cr Mo alloy steel, which is according to API standard.
threads are phosphated, copperized or cold worked.
It can be divided into 18 degree shoulder and 90 degree shoulder, which can be selected according to elevator structure.
Contact Name: Vivian Zhao
Company Name: Jiyuan Sanhe Zhengyuan Petroleum Machinery Co., Ltd
Street Address: South Sanhe
Villiage, Sili Town, Jiyuan City,
Henan Province, China 454650
Member name: jiyuansanhezhengyuan
Member Since: 24 June 2009
Total Leads: 10 jiyuansanhezhengyuan Import Export Business Leads
Business focus: Drilling Tools, Drill Collar, Integral Heavy Weith Drill Pipe, Stabilizer, Pup Joint, Cross Sub
Verify: Safe Import Export Tips