疯狂进入丝袜人妻一区二区三区-免费精品在线一区二区-黄片免费在线播放欧美-饥渴少妇一区二区三区
      產(chǎn)品中心

    BUILDING ON 15 YEARS’ EXPERIENCE IN THE RUBBER INDUSTRY

    Darong Chemicals first started manufacturing rubber chemical sulfur chlorides over 15 years ago.

    Today, we also produce a range of VULCANIZING AGENTS, ACCELERATORS, as well as a variety of customized products and toll services. As a professional rubber chemical manufacture, we can supply rubber chemicals in the oiled, powder form or granular which is mixed with different active contents & binders.