EC21 Product Catalogs - z2 group of companies http://www.ec21.com/ec-market/z2 group of companies.html LG30-H Mongline Long Stroke Cold Pilgering Millhttp://yongdeli.en.ec21.com/LG30_H_Mongline_Long_Stroke--1943843_1943844.htmlGroup Company (former Beijing Hydraulic Pressure Products Factory) 4.2Technical lubricating system is made up of heat-20081015