What does the letter of Jiangling urea spray code mean

The letters in Jiangling urea spray code represent the grade and quality standard of urea. The following are the meanings of commonly used letters in Jiangling urea spraying code:

-A stands for urea quality grade A in GB1118.1-201/which is high purity urea.

-B represents that the quality grade of urea is GB1118.1-201or grade b in domestic equivalent quality standards, that is, ordinary urea.

-C stands for Grade C urea in GB1118.1-201or equivalent domestic quality standards, that is, liquid urea.

-D stands for the urea quality grade of GB1118.1-201or the domestic equivalent quality standard, that is, modified urea.

These letters usually appear on urea packaging bags or packages to distinguish urea products of different grades and quality standards. Jiangling Company uses these spray codes to identify the quality grade of urea it uses according to its own needs.