- Dongying Mingde Petroleum Technology Co., Ltd
- China Manufacturer with main products:slotted liner , slotted screen , premium metal mesh screen , drilling mud additives ,plasma slotted liner ,OCTG Casing Pipe ,OCTG Oil Tubing Pipe ,Pup Joint Crossover ,Tubing and Casing Coupling ,Liner Hanger ,Float Collar and Float Shoe ,Drilling Fluid Chemicals
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