With the company's good reputation and high-quality products, Dingli has not only obtained an orderly and efficient development opportunity, but also a stable domestic and foreign sales market. The products sell well in more than 30 provinces, cities, and autonomous regions across the country, and are exported to more than 60 countries and regions including the United States, Russia, and Mexico.
Gun drill belongs to the discharge chip special deep hole processing tool, V Angle is 120°, special machine use. The cooling and chip removal method of gun drill is high pressure oil cooling system, and there are two kinds of common hard alloy and coated cutter head.
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