After experiencing great efforts,Our company in CHINA succeded developing the blasting membrane-removing technology with polyurethane sponge in earyly 2002 year.The polyurethane sponge are widely used in aquarium,pond,water,toy,packing and air,so on ...With sponge as basic materials,our factory had developed and produced actived carbon sponge,filter sponge net .carbon filter net and so on ...We are looking forward to cooperating with all circles for mutual decelopment in order to promote our economic strendth.