TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO., LTD.
| Business Type: | Manufacturer/Factory & Trading Company |
| Main Products: | Manufacture of Down hole Tools , Casing , Drill Stem Subs , Stabilizers , Drill Collars |
| City/Province: | Mudanjiang, Heilongjiang, China |
Shandong Seaco Machinery Equipment Co., Ltd.
| Main Products: | Oil Equipment , Drilling Tool , Rig , Wellhead Equipment , Steel Tubing Casing |
| City/Province: | Dongying, Shandong, China |
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