中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

Our company owns two chemical plants located in the Yanshan Industrial Zone and the Daxing Industrial Zone, producing over a dozen varieties of fine chemical products across three major categories. Our products are exported to more than twenty countries and regions, including Europe, the United States, and Japan. The company currently employs over a hundred staff, including more than thirty technical personnel, with an annual sales revenue exceeding 40 million RMB. Equipped with various testing instruments and equipment, we are capable of providing high-quality product services to our customers.

Our current main products include:

First, fluorescent whitening agent series: KCB; OB; CBS-X; CBS-127(FP); MDAC(SWN); XMF; PB, etc.

Second, plastic and rubber additive series: antioxidants 1010, 1076, 168, 215, 225, 802, etc.; light stabilizers 622, 770, 944, 508, etc.; polymerization inhibitor 701 (4-hydroxy TEMPO), etc.

Third, intermediates: 4,4'-biphenyl dichloromethyl, 4,4'-biphenyl dimethyl ether, 4,4'-diaminodiphenyl ether; biphenyl diol, etc.

Company philosophy: Integrity first, cooperative development.