(1*2*7/0.28,2*2*7/0.28,3*2*7/0.28,4*2*7/0.28,5*2*7/0.28,6*2*7/0.28,7*2*7/0.28,8*2*7/0.28,9*2*7/0.28,10*2*7/0.28,12*2*7/0.28,14*2*7/0.28，)

(1*2*7/0.37,2*2*7/0.37,3*2*7/0.37,4*2*7/0.37,5*2*7/0.37,6*2*7/0.37,7*2*7/0.37,8*2*7/0.37,9*2*7/0.37,10*2*7/0.37,12*2*7/0.37,14*2*7/0.37，)

(1*2*7/0.43,2*2*7/0.43,3*2*7/0.43,4*2*7/0.43,5*2*7/043,6*2*7/0.43,7*2*7/0.43,8*2*7/0.43,9*2*7/0.43,10*2*7/0.43,12*2*7/0.43,14*2*7/0.43，)

(1*2*7/0.52,2*2*7/0.52,3*2*7/0.52,4*2*7/0.52,5*2*7/052,6*2*7/0.52,7*2*7/0.52,8*2*7/0.52,9*2*7/0.52,10*2*7/0.52,12*2*7/0.52,14*2*7/0.52，)

(1*2*7/0.28,1*3*7/0.28,1*4*7/0.28,1*5*7/0.28,1*6*7/0.28,1*7*7/0.28,1*8*7/0.28,1*9*7/0.28,1*10*7/0.28)

(1*2*7/0.37,1*3*7/0.37,1*4*7/0.37,1*5*7/0.37,1*6*7/0.37,1*7*7/0.37,1*8*7/0.37,1*9*7/0.37,1*10*7/0.37)

(1*2*7/0.43,1*3*7/0.43,1*4*7/0.43,1*5*7/0.43,1*6*7/0.43,1*7*7/0.43,1*8*7/0.43,1*9*7/0.43,1*10*7/0.43)

(1*2*7/0.52,1*3*7/0.52,1*4*7/0.52,1*5*7/0.52,1*6*7/0.52,1*7*7/0.52,1*8*7/0.52,1*9*7/0.52,1*10*7/0.52)
 专业生产（天联牌）煤矿用通信电缆MHYV,MHYVP,MHYVR,MHYVRP,MHYBV,MHY32，MHYAV，MHYA32