Zhejing Kaiyu Drilling BIts Co.,Ltd.

Our factory is specialized in producing "Kaiyu" brand mine percussion bit with 30 years manufacturing history. It is one of the largest drilling percussion bit industry in our country. The company boasts of abundant technique power, strict management technology, modern advanced procession technology, complete professional equipments and precision and perfect quality testing means. It is an enterprise with self-support export and import right.

The percussion bits are made from high grade hard...

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