--Sichuan Hengwei Piston Ring Co., Ltd. (formerly Sichuan Province, Luzhou transport machinery plant) is the national professional piston ring manufacturers, after 50 years of development, the company has advanced and mature piston ring manufacturing technology and a complete professional production lines, annual production capacity of20million piece §¶27 ~ §¶170 mm can produce all kinds of domestic and imported gasoline and diesel engines, piston rings and hydraulic machine engineering ring, the widespread use of titanium coating cermet sprayed molybdenum, nitrogen and other craft and ductile iron, G3, F14,and other materials. And the Shandong Weifang Diesel, Luoyang First Tractor "," Chongqing Briggs & Stratton "," Sichuan Emei Cai "and the well-known host supporting the same time, the regular annual exports to Southeast Asia, Eastern Europe, Central America