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Lanzhou LS Petroleum Equipment Engineering Co., Ltd.

DN15 Gas Emergency Shut-off Valve
Zhejiang WEAJA Electronic Technology Co., Ltd.

Petroleum Drilling Rig, Mud Pump Industry Related Forgings Mud Pump High-Pressure, Low-Pressure Liquid Cylinder, Drilling Rig Gear Shaft, Gear Ring, Crankshaft
Iraeta Energy Equipment Co., Ltd.

High-end Petroleum Equipment
SANY Group

Bi-directional Metal Hard Seal Ball Valve
Henan Quanshun Flow Control Science & Technology Co., Ltd.

SGD-K Hoop Bag Filter
Sailiwei Technology Co.,Ltd.

Ultra-high molecular weight polyethylene (UHMWPE) lined oil pipe
Shengli Oilfield Dongrun Mechanical Engineering Co., Ltd.

Spectacle Blind Flange
Shanxi Tianbao Group Co., Ltd.

Multi-core control cable
Shenyang Kaipeng Wire and Cable Manufacturing Co., Ltd.

Titanium/Steel Composite Tube Sheet
Baoji Taicheng Metal Co., Ltd.

Wide-channel Plate Heat Exchanger
Shandong Boyu Heavy Industry Technology Group

AC low voltage three-phase asynchronous motor-YE3 series three-phase asynchronous motor
Xi‘an Simo Motor Co., Ltd.