Now I am working in Hebei Minetech Machinery Technology Co., Ltd We have our own factory to produce all kinds of high quality rock tools and can give you a best price. Main products include: taper drill pipe, drill button bit, extension/speed rod, threaded drill bit, pneumatic rock drill,and various accessories.★what can I do for you? ◣Understand your needs and provide you with the products you need. ◣Use my sales experience to answer your doubts about the product. ◣Won't let you waste a penny.★Why do I do the points mentioned above? ◣My major is international economics and trade, and I have enough professional knowledge to solve trade problems. ◣I have rich work experience and can provide you with detailed product introductions.If you are interested in my products, or have any questions, please contact me at any time.