Xiangxi Minmetals Co., Ltd. is one of the most important manufacturers of manganese metal of China, which has experienced in the production & trading of manganese metal for decades. Our company has....
Kingray New Materials Science & Technology Co ., Ltd , is a hi-tech public company ( Shanghai: 600390 established by CRIMM ( Changsha Research Institute of Mining and Metallurgy) , a hi-tech enterprise....