Shenzhen Caicheng Technology  Co.,Ltd founded in April 2005,and changed name to Donguan Jincai  Metal Co.,Ltd in January 2013. We are a company with more than 5000 square meters production workshop, the fixed assets of RMB 50 million and research &management team  whic is more than 100 people .And the line staff is 440 people.The Company has a strong rese