日本日B视频能看的AV网站|在线情侣中文字幕av|免费成人黄色一级小黄片|国产精品久久久午夜夜伦鲁鲁|亚洲色AV大片日本色逼|日韩高清无码免费一级大片|AV嫩草在线观看|久久A级片片五月天久草|亚洲综合色情日韩无码人妻|草草草草久久久久

QQ截圖20230522162520.png

Pearlescent pigments have good chemical stability, are non-toxic, odorless, high-temperature resistant, acid resistant, and alkali resistant, and are suitable for water and oil amphoteric systems. In the seed coating industry, direct contact with seeds is possible, with almost no impact on the germination rate of seeds; Strict control of heavy metals and microbial content can be applied to food packaging that comes into direct contact with food.

Copyright(C)2023,Hebei Oxen New Materials Co., Ltd. 冀ICP備05005536號(hào)
Address:No. 6, Baihe Road, economic and Technological Development Zone, Langfang, Hebei Powered by kbyun.cn