1, Shanghai Lepu Diamond Co., Ltd: the main natural diamonds, grinding wheel dressing tools, recycling diamond pen and so on. Shanghai Lepu Diamond Co., Ltd. is located in No. 3091, Chang'an Village, Fengjing Town, Jinshan District, Shanghai.
2, Shanghai old gold pen professional recycling: the main domestic diamond pen, gold star gold and other high-priced acquisition. Located in Shanghai Huangpu District, Wenzhou Road, No. 8.