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Zhejiang WEAJA Electronic Technology Co., Ltd.

Oil and gas chemical industry
SHANGHAI BOILER WORKS CO., LTD.

Long-Stroke CNC Bidirectional Speed-Regulating Belt Pumping Unit
Lanzhou LS Petroleum Equipment Engineering Co., Ltd.

Pipeline Pipe
Hengyang Valin Steel Tube Co., Ltd.

Ceramic elbow
Hebei Longrun Pipeline Group Co., Ltd.

Quick-Change Single-Seat Control Valve / Quick-Change High-Pressure Single-Seat Control Valve
Beijing Consen Automation Technology Co., Ltd.

Rotary Table Series
RG (Luo Yang) Petro-Equipment Co., Ltd.

Surface-Driven Screw Pump Oil Production System
Shandong Weima Pumps Manufacturing Co., Ltd.

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

Hot-dip galvanized steel pipe
Shaanxi Youfa Steel Pipe Co., Ltd.

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

Offshore Platform Cables
Henan Jinshui Wire&Cable Co., Ltd.