... Changzhou dengyue sponge Limited company specialized productionone, oak models the foaming system: Like Ding Qingjiao, three Yuan second grade third rubber ... , SBR, the neoprene and so on foaming plate and the volume material, the product is mainly suitable ... package, the shoes material, the present and so on.three, PE foaming systems: Like 40 time, 30 time, 20 times, have the ...