Established in 1983, Hejian Xinlong Drilling Accessories Factory is an innovative manufacturer and distributor of drilling bits. We mainly specialize in tricone bit, PDC bit, hole opener, drag bit, drill rods, drill collars, etc. 

All our products meet strict API standards. Whatever your drilling application is, we have the products for you. In addition, we also customize tools to meet your needs and requests. 

Customers from China and around the world rely on us to provide application-specific products that are well priced and of good quality. Our products are promptly shipped and supported by dependable and friendly people.