Superhard Materials Branch Third Council Work Report (1)

0. The introduction is over time, and the years are like a shuttle. The super-hard materials branch has been working for the third council for more than four years. On the eve of the formation of the new council, I will report to the member representative conference for more than four years on be

Do not use fertilizer bags for food

   In recent years , the use of chemical fertilizers by farmers has increased year by year , resulting in a large number of fertilizer bags in the hands of farmers. Light and strong fertilizer bags , indeed for farmers to store agricultural products More convenient , but its