Yantai Sanmon Mechinery Equipments: Coi, Ltd., founded in 2010, is located in the beautiful coastal city-Yantai of Chipa. We are an integrated company for Oil&Gas Equiptment Applicant Research, Customized design, Order Production and Global Sales.

We provide professionat products and services to the Oil and Gas Industrial Customers over 20 countries and regions, Our products cover Sucker Rod Pump Jack Pump, Sucker rod and Accessorles. Wellhead and X-mas Tree, Valves, Completion Tools, Artificial lift equipment, Flow Control Equipment. Coil Tubing Tools. Oifieid Work Vehicles. Wire-lineTools. etc. And we supply well Completion Service. Tubing Work Service, snubbing service down-hole Pipe Cutting Work and other related services.