日韩专区亚洲精品,国产欧美另类在线视频,日本少妇中文三级,日韩美一区二区三区,欧美乱伦综合高清,国产免费公开手机在线,在线观看精品二区国产,最新国产综合在线视频,精品综合国产高清,亚洲一区二区久久

Quechen Silicon Chemical Co., Ltd.(hereinafter referred to as “Q&C”) is the standard-setter for China silicaindustry, already completed EU REACH registration, certified with ISO9001 ,ISO22000 and TS 16949.

The Low Polymerizing & High DispersionSilica developed independently by Q&C specially for green tires couldsignificantly reduce rolling resistance, improve wet-skid resistance, steeringcontrollability and reduce wear for tires, so as to lower fuel consumption andimprove driving safety for vehicles. Currently, Q&C launches four series ofsilica for rubber industry use on the market: Conventional Silica(CS),environmentally protection & dustless GRanular Silica(GRS), Easy DispersionSilica (EDS), Low Polymerizing & High Dispersion Silica(LPS&HDS).