Hejian Xinlong Drilling Accessories Factory

Established in 1983, Hejian Xinlong Drilling Accessories Factory is an innovative manufacturer and distributor of drill bits and drill rods. We mainly specialize in tricone bits and PDC bits, drill rods and drill collars, also crossover subs.

All products meet strict API standards.And we can also customize tools to answer our customer needs and requests.

产品:

	PDC bit	1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on bit is balanced that resulting better stability...
	PDC bit	1. Cutting structure is force balanced and bit blade is asymmetrically designed so that the load on bit is balanced that resulting better stability...
	PDC bit	These bits are used to drill low-compressive strength, soft formation (like soft shale, clay, salt rock...etc.). 1) Long projection teeth are lengt...
	PDC bit	1.Soft with low compressive strength and high drill ability  2.Sealed roller bearing  3.Meet strictly of API and ISO standard    Product Descriptio...