This is Alex from Exin Diamond Materials Co., Ltd. We are manufacturers of diamond,prealloyed powder,graphite mould,diamond tool. We started a new, modern prealloyed powder manufacturing line last year except ever producing graphite moulds and diamond tools and is offering: (a) iron- and copper-based pre-alloyed powders and (b) pre-mixed powders used for different applications of diamond tools. Those powders are already successfully sold domestically. The detailed information of products can be found on our website: http://www.exindiamond.com/Default.aspx?PN=Products.