Manufacturer of Hydraulically Operated Valves, ULC Pressure Reducing...
Deals with Gate Valve, Choke Valve, Plug Valve, Back Pressure Valve, Check Valve, Needle Valve,...
Manufacturer of high quality chemical additive of oil field development and pipeline in the fields...
Leading Manufacturer of Mechanical Seals and Sealing Products in...
Manufacturing Roomless, High-Speed, Passenger Elevators, Panoramic Elevators, Goods Elevators,...
Manufacturing Core Drill Rigs, Horizontal Directional Drilling Machines, Coal Bed Methane Drilling...
Providing Drilling Equipments, Wellhead Tools, Downhole Tools, Drilling Tools, Cementing...
Shanghai 7th International Petroleum Petrochemical Natural Gas Technology Equipment...