EXHIBIT SCOPE:
★ chemical equipment, pump and valve pipelines;
★ testing instruments; gas automation control and alarm system;
★ Underground pipeline detection, detection, leakage monitoring technology and equipment;
★ oil and gas storage and transportation technology and equipment; oil and gas pipeline transportation technology and equipment;
★ Oil and gas exploration and development technology and equipment
★ Industrial explosion-proof products
★ Oil and gas pipeline construction technology and equipment
★ Fluid Machinery Equipment & Technology
★ Petrochemical equipment, chemical raw materials
