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

Wuxi Zhicheng Chemical Co., Ltd. is a private technology enterprise integrating fine chemical research and development, production, and trade. Adhering to the corporate philosophy of people-oriented, customer-first, and honesty and trustworthiness, we provide customers with products and services of the best cost-performance ratio. Our current products are as follows:

Polymerization Inhibitors: including p-Benzoquinone, BHT, p-tert-Butylcatechol, p-Methoxyphenol, Methylhydroquinone, Inhibitor 701, etc.

Pyridine Derivatives: such as 4-Dimethylaminopyridine, Isonicotinamide (4-Pyridinecarboxamide), 2-Cyano-3-methylpyridine, 3-Aminopyridine, 2-Amino-5-bromopyridine, and other products.

Phase Transfer Catalysts: including quaternary phosphonium salts like Triphenylphosphine, Tri-n-butylphosphine, Tetraphenylphosphonium bromide, Methyltriphenylphosphonium bromide, Ethyltriphenylphosphonium bromide, Butyltriphenylphosphonium bromide; and quaternary ammonium salts like Tetrabutylammonium bromide, Tetrabutylammonium chloride, Tetrabutylammonium hydrogen sulfate, Benzyltriethylammonium chloride, etc.

Pharmaceutical and Pesticide Intermediates: such as p-Toluenesulfonic acid (99%), Lithium amide, Cyclooctanone, Triphenyl phosphite, Methyl carbazate, Hexamethylphosphoramide, etc.

Trade Products: UV Absorbers. Mainly used in plastics, coatings, and other industries to improve product performance, extend product lifespan, and effectively delay product fading. Main grades: UV-11, UV-12, UV-49, UV-71, UV-72, UV-73, UV-74, UV-75, UV-90, UV-93, UV-94.

Light Diffusing Agents: Application areas include optical diffusion materials, LED lighting applications, CPP, BOPP, PET FILM anti-blocking agents, matting agents for coatings, cosmetics, embedding materials, etc. Currently, we mainly distribute products from Taiwan Gaoyou Fine Chemical Co., Ltd. Main grades include GW-201SLNE, GW-501SLNE and other silicone oxide spherical particle series, GW-S optical film application solvent-resistant acrylic micro-powder system series, GMS acrylate-styrene copolymer series, etc.