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Lijin Economic Development Zone,Dongying,Shandong,China China
連絡先担当者 Mason Tian
住所 Lijin Economic Development Zone, Dongying, Shandong
Quick Details Standard: API Standard: API 5CT Grade: API J55-API P110 Grade: API J55, API K55, API
Specifications oil drilling collar 1.Material:AISI4145H 2.OD:79.4mm-279.4mm 3.Hardness:285-341
Specifications 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel
Product standard:API Spec 5CT Product specification: Specification
Product specification: Item Outer diameter Inner diameter Wall 
API 4F 8A PETROLEUM EQUIP OIL DRILLING CROWN BLOCK 1. API Standard. 2. Other relative equip are available.
Quick Details Place of Origin: Shandong, China (Mainland) Brand Name: Hongsheng Type: According to y
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