国产午夜视频高清,在线播放91,香蕉色综合,中文字幕国产一区,国产精品手机在线,久久综合给合久久狠狠狠…,国产视频手机在线

ⅠUse reason ：

  The rawhide has protein and massive fat which is easy to corrupt and deteriorate, moldy and spoil occuring in the storage process.

ⅡUse scope ：

     BY-02 mainly uses in aspergillus,penicillium, paecilomyces,fusariumthe and mould spore on the leather.

ⅢTechnical index and usage：

   By technical personnel on-the-spot guidance.