日韩丝袜中文字幕,亚洲精品A人在线观看,精品高朝久久久久9999,亚洲国产精品自在线一区二区

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.