Jinan Greenspring International Trading Co., Ltd. is marketing company of Donge Machine Processing Co.,Ltd.located in the origin place of Confucianism in China, with registered capital 5million RMB, total asset 20million RMB, specialized in deep groove bearing manufacturing and marketing. Now its modern production equipment combining with the strong R&D team as well as constant quality supply based on the big production capability is winning good reputation all over the whole market. Targeting ...