-Hejian YOUHUA Rock Bits Manufacture Co.,Ltd established at 2020 is located in Hejian City, Hebei Province, China.-We are a 100% factory(manufacturer) of Tricone bits, PDC bits, Drag Bits, DTH hammer, Piling foundation Single roller cones & HDD rock reamers/Hole openers. Our drill bits based on high-tech skills and designs are used in exploitation 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 and PDC bits 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.-YOUHUA bits have been being sold well and running stably in Asia, Europe, Africa and Amercia, such as: the United States, France, India, Canada, Italy, Chile, Poland, Saudi Arabia, Algeria, Tunisia, Egypt , Singapore, Russia etc.