Washed 185 thin skin inshell walnuts grow in Fenzhou region,the magical 37°N.It is natural and delicious.walnut is not only the walnut itself,but also a symbol of high quality walnut products.
PO is an abbreviation of polyolefin. Because of its advantages such as high light transmission, long-lasting drip-off fogging, aging resistance, etc., it has been widely used in the cultivation of agricultural greenhouse vegetables, and is one of the ver