Zhejiang Oliver Gear Manufacturing Co., LTD. (formerly yongkang yong fu precision gear works), founded in 1990, yu a company specializing in the production of spiral bevel gear, cylindrical gear axis and electric hammer company. Main products are rotary hammer, Angle gear grinding machine, pneumatic gear tools gear, gear cutting machine, electric drill gear and a variety of straight cylindrical gear, helical cylindrical gear. As the national famous electric tools manufacturers designated suppliers. 2006, the company spent heavily to build high quality electric hammer, with novel appearance, small noise, power strong, beautiful, safe, durable, and many other features, best-selling home and abroad...