精品美脚玉足在线国产_亚洲欧美国产制服日本一区二区_日韩一区二区三区无码免费播放_亚洲婷婷五月性视频_无码av高潮抽搐流白浆_2018中文字幕在线观看_欧美精品日日澡夜夜澡_九九精品免费黄色视频观看_韩国三级日本三级香港三级_无码黄色视频免费

Shanghai Shidian Chemical Technology Development Co., LTD., an iodide enterprise with the advantage of origin. On April 13, 1974, the world's deepest mine (31,411 feet) was opened in the Anadarko Basin in northwest Oklahoma, and since then, the purity and quality of iodides and related products have been sold around the world.

Shanghai Shidian Chemical Technology Development Co., Ltd. based on channel resources, the first development of potassium iodide, sodium alginate, PVPI, sodium iodide, and other iodides.

Excellent quality and stable supply are the important reasons why Shanghai Dianhua has become an iodide supplier for domestic and foreign pharmaceutical, chemical and pesticide enterprises.