the plasma cutting restricting specification includes: tongchang series, wenzhou series, fanyang series, eastern series, changzhou series, p-80, 160a, 80a, d-250e, cpak-32, cpak-31, mg-100, 9-5624, 9-5630, 8-5526, 9-5617, twp-120, dpt-60, otc12000, d-8000, 212-8035, otc-70s, p-35s, m3000, dtv-002, d-12000, apt5000 and so on.