Henghua Co.,Ltd owns 55000 ring spinning, 1008 rotor spinning, 3 sets of combing machine and FA series spinning produce line of internal advanced level of 90 age as well as the YG131 strand examination machine, which has reached the international advanced level. With complete examination means and advanced examination equipments, the products are not only sold domestically but also to countries and regions of Europe, America and Southeast Asia etc, and obtained high reputation among customers. In June 2001, Henghua Company had invested 160 thousand CNY to introduce YG027 yarn defects grader that has reached the international advanced level, with which we can exanimate and analyze the 23 rank occasional yarn defects of yarn, as well as provide the scientific basis to find problems and take measures to improve the quality of yarn.