Established in 1983, Hejian Xinlong Drilling Accessories Factory is an innovative manufacturer and distributor of drilling bits and drill rods. We mainly specialize in tricone and PDC bits, drill rods and collars, and crossover subs. 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 answer our customer 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. Every day, we stand by our corporate motto: Total quality and timely service at a competitive price with customer-relations based on trust and openness We look forward to adding you to our long list of satisfactory customers. Don't hesi

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