HangZhou ZheXin Transmission Machinery Co.,Ltd , located in Hangzhou, next to the Xiaoshan International Airport, a modernized enterprise engaged in the speed reducers’ research, development, production and sale. Among the same occupation, the company has passed ISO9001:2000 Quality System Attestation firstly, the main products are all exported overseas. The company has the most advanced German KLINGEINBERG high accuracy worm grinders, German PFAUTER gear grinding machines,