... J.industries rubber products K.fire fighting -------steel wire can be re-sale to steel factory 3 ... of coal0.4T*800RMB/T=320TRMB3Water and electricity200*1.00RMB=200RMB4Workers4*100RMB=400RMB5Total Cost15,920RMB NOITEMINCOME1crude ... 45%*4,500rmb=20,250RMB2carbon black10T*35%*520RMB=1,820RMB3steel wire10T*13%*2200RMB=2,860RMB4Gross profit24, ... 500RMB 10 tons used tyre retreading machine with CE certificate