国内一区|亚洲国产精品一区在线|japanese护士性教师|精品一区免费观看,欧美综合成人,色戒汤唯未删减版百度云盘,日韩区在线

The quality & inspection centre of the factory is equipped with various kinds of high-precision analytical instruments.In the meantime,according to th requirements of ISO9001:2000 Quality System,high-quality specialized personnel of chemical analysis are assigned to monitor and inspect all the raw materials,auxiliary materials,intermediates as well as finished products to provide clients with reliable quality guarantee.

Our spirit is quality first and credit supreme.