Shaped high-density foam fire-retardant foam sponge black sponge sponge plant

Sponge price / ingredient ingredients sponge sponge mostly manufactures polyurethane foam just as the same material in different manufacturing processes will create something different PU foam products mainly include polyester and polyether can be sliced ??or volume cut, also composite processing, hot pressing and blasting holes processing according to customer requirements. PU foam products ...