YINHAI sub adapters for drilling

Short Description:

Hejian Yinhai Rock Bits Manufacture CO.,Ltd established at 2008 is located in Hejian City,Hebei Provice,China.We are manufacturer of tricone bits,PDC bits, Piling foundation single cones /rock reamers. Our bits based on high -tech skills and designs are used in exploration of natural gas,crude oil, water well,geological exploration,HDD drilling and piling foundation .There are technical research team ,production management team and professional sales team in our company to serve our customers.Both standardized tricone bits/PDC produced strictly according to API and rock bits-customizing used in various construction works are provided. Good quality is our main aim we adhere to,ever and forever.