The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured twice during the....
Tianhe Petroleum Machinery Joint Stock Co., LTD. is a modernized medium-scale enterprise specialized in production of oil and gas tools. Established in 1973, our company has 50 million RMB registered....