41 мм 7 кнопок 11 градусов конусные пуговицы буровые долота с длительной историей в

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Our company has more than 160 employees, covers an area of more than 4 acres and the building area is more than 7,000 square meters. Neatly arranged production lines, well-regulated working order, modern working facilities, diligent and responsible employees, will definitely give you a good first impression and more confidence in our company's products quality.

Our company mainly produces DTH hammers, high air pressure DTH bits, low air pressure DTH bits, threaded button bits, cold press tapered button bits, welded tapered button bits, tapered chisel bits and tapered cross bits. In addition, we are also committed to the development and manufacturing of higher-end project and mining tools.