API Standard Oilfield 4 1/2'' - 20'' High Strength Slip on Hinged Welded Cementing Basket
Hongkong Eastlong Technology Co., LimitedHi-Q (high quality) Friction Vise/Friction Vise for Sucker Rod Pipes Tubes
Shandong Xilong Machinery Equipment Co., Ltd.Premium Low-Temperature Coal Tar Pitch for Industrial Applications
Hebei Saichuang New material Technology Co., Ltd.High-Quality Coal Tar Pitch for Aluminum Smelting Applications
Hebei Saichuang New material Technology Co., Ltd.Yg20 Yg35 Yg60 Yg80 Yg100 Yg135 Yg160 Yg180 Drilling Traveling Blocks and Hooks
Shandong Xilong Machinery Equipment Co., Ltd.Casing Bushings and Insert Bowl/Rotary Table Bushings
Shandong Xilong Machinery Equipment Co., Ltd.API 5CT Tubing (2-7/8′ ′ /J55/K55/N80/L80/P110/EU/R2)
Goldenman Petroleum Equipment Co., LimitedShale Fracturing Equipment for Oil Explortation
CRRC Yongji Electric Co., Ltd.