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E-mail: info@sinovogroup.com Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" for Drill Bit For Hard Stone, Reboring Machine For Motorcycle, Rotation-Percussion Drilling, Horizontal Boring Machine,Top Drive Rotary Head. We, with open arms, invite all interested buyers to visit our website or contact us directly for further information. The product will supply to all over the world, such as Europe, America, Australia,Irish, Guyana,Serbia, Israel.We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.