- Dongying City Dongda Machinery Manufacture Co., Ltd
- elevator linksï¼tubing elevator, casing elevator, drill-pipe elevator, sucker-rod elevator, sucker-rod hooks, wellhead compensation, water-injection washing accessories, oil tank, christmas tree.
- Address:Yizhou, Dongying, Shandong, China,257091
- Luoyang Longda Machinery Imp. & Exp. Co. Ltd.
- bearings, elevator links, chains, gears.
- Address:No.82, West Zhongzhou Road Luoyang Henan 471003 China
- LANZHOU LS GROUP
- ball clevis, stems, elevator links, lower barrels, shanks, rings,LS Forgings,LS Castings.
- Address:XIJIN(WEST), Lanzhou, Gansu, China
- Dongying City Dongda Machinery Manufacture Co.,
- elevator links, casing elevators, cdz drill-pipe elevators, sucker-rod elevators, tubing elevators, suck -rod elevators, sucker-rod hooks, drill-collar elevators, christmas tree fit and christmas tree, wellhead thermal compensation, the steel structure, e.
- Address:No. 10 Juzhou road, Dongying, Shandong, China
- Dongguang Guoxin Hydraulic Equipment Manufacture Co., Ltd.
- Hydraulic pump,Hydraulic elevator,Cable Making Machine,hydraulic lifting-jack,Hoist Frame,power station,hydraulic press,pump station,pumping station,Hydraulic pump station,Sub-pipeline,Hoist Frame,Hydraulic Elevator,Needle Valve,Exhaust links,Oil-distributor,High Pressure ....
- Address:Baobei Electric Development Zone
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