our co***ny Tianjin Inporda was established in 1995.Our maid products are:wire mesh(hexagonal wire mesh,stainless steel welded wire mesh,plastic wire mesh,welded wire mesh and so on all kinds of wire mesh),screw(bolt,nut,washers,fasteners),silicon dioxide(SiO2,white carbon black),carbon black(N220,N330,N550,N660),carbon additive(85%,90%,92%,93%,94%,95%)...