Powder-catalyst cylinder,EX-MBD produced high output diamond, low ... Its strongpoints as follow:1.the diamond produced by EX-RVD type gained approval of foreign customers, reached ... powder-catalyst cylinder is on top of this industry.2.EX-MBD produced high output diamond, low compound stress , ... about 20KG, low electrical current, about 2 case.3.Easy to electrolyse,acid wash, reduce the ...