There are 25 series of our main leading products such as type J11, J21, J23, JF, JE21, JD21, JZ21, JL21, JK21, JK31, NTP, NCPF, JG, VH, SH, JF 75G , JS, JE25, JE31, Y32, Y27, JE31, JE36, JH31, JH36, JKD36, JKD39, JKD21, JKD31, JKD25, JKD89 which are classified into 160 categories