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...