forged, premachined, solution annealed, cold expanded, stress releived, machined. Dear Sir/ Madame: We Shanghai ZENT Industrial Co. as one of CSM's subsidiary companies, was established in 2006, situates in the Yangtze River Delta, China's most dynamic place. Covering an area of 53,000 square meters, it holds the capability of producing 50,000 tons of free forging, ring forging and die forging ...