Taizhou City Kaiyu Metallurgy Machines and Tools Co., Ltd, with former company named" Zhejiang Kaiyu Drilling Bits Co., Ltd", located in Southeast coastal Zhejiang----Taizhou, economically developed and of convenient transportation, is devoted to researching and developing high-quality rock drilling bits. Kaiyu is established in the early 1970s, is one of the backbone enterprises among the wide domestic industry of rock-drilling tools. Our company has owned numerous experienced and high-tech talents, introduced foreign advanced equipment and technologies and passed through ISO9001: 2015 Quality Management System Certification. With unique techniques and specialized equipment, our products have been tested by complete quality-control inspection system, and reached the advanced level in China. We providing customers with efficient, environmentally and economical drill tools, so that customers can enjoy the fun and benefits from drilling.

Our Chisel Horse Bits, Cross-type Bits, Pole Teeth-type Bits, DTH Bits, DHD Bits and so on have been widely used in the metallurgy, mining, geological drilling, hydropower, transportation, tunneling, quarrying, etc. Our DTH hammers are your choice too.

In the future, "Kaiyu" brand is willing to work hand in hand with both new and old friends at home and at abroad to achieve more glorious results.
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