Tianrun Crankshaft Co., Ltd. is largest crankshaft specializing manufacture enterprise in China. (stock code 002283) Tianrun has passed the certifications of ISO9001, TS16949, ISO14001, OHASA18001, National Laboratory and 9 Classification Societies worldwide successively. Its foundry division covers 85,000 m2. Currently there are 334 employees including 26 quality engineers and senior engineers, 8 maintenance engineers. The Foundry Division has the capability of casting, heat treatment and machining. Now there are 2 KW green sand molding lines imported ( Flask size: 1300*880*300/300mm and1300*950*300/350mm), one shell molding line and 14 machining units. The total investment is up to 425 millions RMB.
The annual capacity of castings is up to 100,000 tons. The material grades for casting includes ductile iron, gray iron, vermicular graphite iron and ADI. The main products are crankshaft, con-rod, wheel hub, cover, lift arm, housing, cylinder head, flywheel, bracket, carrier planet, camshaft, trunnion support etc for more than 40 customers such as Daimler, Caterpillar, Cummins, John Deere, Volvo, ZF, Linarma, DANA, SATA, Weichai Power, Jichai and CNHTC etc.