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Hejian Ouman Mining Bits Co., Ltd.

Hejan Ouman PDC Bits Co.,Ltd. is the largest PDC manufacturer in North of China,also the one of the two best PDC bit brands in China we are able to produce matrix and steel type,size from 3inch to 26inch,Also can prduce ...

Hejian Ouman Mining Bits Co., Ltd.
Junziguan Zone, Hejian City, Hebei, China
Hejian City, HB

Manufacturer  ·  Wholesaler

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