Kaimeng cooperation with the HUST (Huazhong University of science and Technology) and
 							development Mei Bei Shi brand of copper surface treatment products,including:Copper's
 							leaning products,green pickling passivation and chemical polishing.Superior ....more>>
 							Kaimeng cooperation with the HUST (Huazhong University of science and Technology) and
 								development Mei Bei Shi brand of copper surface treatment products,including:Copper’s
 								leaning products,green pickling passivation and chemical polishing.Superior quality to
 								our customers all over: electronics, aerospace, military, jewelry, precision metal and
 								electroplating and other industries.