成人av一区二区三区在线观看-九九热这里只有精品视频6-国产精品久久久久一区二-偷拍视频一区二区三区

Drip films

It can effectively defer the aging of greenhouse film in ultraviolet radiation and thermal oxidation and prolong the service life of greenhouse film; it has fine mechanical property and optical property and is light and nontoxic.

It can be used in covering of agricultural use, animal husbandry, covering of rations and forage and bricks. Its service life is one year (or according to the protocol standard).

Hits:5714 Entry Time:2015-06-09 09:26:37【Print this page】【Return

LINKS