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our history 1980 In 1980,relying on purely handmade alloy dies, the main business was agency and external processing. 2003 In 2003,equipment upgrades, the introduction of fast wire and die testing equipment, officially began to cross-provincial sales. 2018 In 2018,Yi Cheng has more than 10 sets of slow wire and complete die making equipment, and has become a competitive special-shaped die processing enterprise in the industry. 2020 In 2020, we introduce 2 high¯end WEDM-LS 15 lapping machines, It’s provided high¯quality dies for new energy veh... [Details] |