Yisui zhongxin Machinery Co., Ltd. is a machinery manufacturer specialized in the production of hydraulic cylinders and precision cold drawn pipes. It was initially founded in September 2005 and was registered in June 2008. The company is headquartered in Longjiaquan Industrial Park, Yishui, Shandong. Along with the development and expansion of its business, it has built a production and manufacture base .Now the company has a total floor area of about 10000 square meters, a building area of 8,000 square meters and more than 100 staff. Main production workshops of the company are for blanking, machining, electroplating, electric welding, installation, material cold drawing, spray coating, etc. respectively and the leading products of the company include preposed hydraulic cylinders, center-mounted sleeve cylinders, piston type cylinders and plunger type cylinders. With an annual productivity of 250,000 sets, they are mainly applied to light-duty and medium-duty automobiles and combine harvesters. With an annual productivity of 15,000 tons, the precision cold drawn pipes are mainly applied to the production of hydraulic cylinders, coal mine hydraulic props, etc. The company passed the certification of ISO 2001(2008) Quality Management System in August 2005.