Tianhe Petroleum Machinery Joint-Stock Co.,Ltd. is a modinized medium-scale enterprise specialied in production of oil and gas tools .Estabilished in 1973, it has been a standardized joint-stock co.,ltd. Till now, under the leadership of tianhe petroleum machinery joint-stock co.,ltd. ,we have full-fund subsdiary co***ny: Mudanjiang petroleum machinery co.,ltd.;Holding subdiary co***ny: Mudanjiang petroleum drilling tools holding co.,ltd.; XiĄŻan Joint-venture co***ny.
Tianhe Petroleum Machinery Co.,ltd. ...
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