Brief description of the company Shenzhen Chengye Deep-Hole Knives Co., Ltd. was founded in March 2009 and is located in the beautiful Li Songzi Industrial Zone, Gongming Office, Guangming District, Shenzhen. It is a company specializing in research and development, production and sales of high-precision deep-hole gun drills, the main products are: holistic hard alloy gun drill, welding hard alloy shot drill, gun drill rods, knife-grain gun drill and BTA gun drill accessories. The company's three main products: holistic hard alloy gun drill, welding hard alloy shot drill, and knife-grain gun drill are all independent research and development, independent workshop, unified management, and one-way production. Chengye has a high-quality, high-level, professional research and development team and international advanced multi-axis tool manufacturing equipment and testing equipment. We are familiar with the demand standards and technical requirements of the gun drilling industry at home and abroad, and keep up with the needs of the international and domestic market and adapt to market demand. After more than ten years of research and development, exploration and precipitation, the company's products are exported to all parts of China, Southeast Asia and the European and American market. Creating value for customers, creating wealth for the company and its employees, and contributing to the industry and society is the company's corporate culture.