Ji'nan ZMIN hydraulic cylinder manufacturing Co., Ltd is located in the south of the Yellow River ,Website:http://www.excavator-cylinders.com,North of Ji'nan ring expressway,  East of Ji'nan International Airport, the geographical position is superior, transportation convenience, is a collection of scientific research,production, supporting the installation and Technical advisory services in one of the professional  excavator cylinder manufacturing   enterprises. In 2010, company invested 5 million RMB to enlarge the factory to 20...