美日韩欧亚中精品毛片_懂色粉嫩蜜臀久久一区二区_开心五月激情综合婷婷色_国产精品美女在线网址_二级电影免费看_欧美顶级PPT免费模板网站_AV女人高潮大喷水在线看_国产精品久无码免费高潮_一级Av日韩在线播放_国产无遮挡又黄又爽不要视频

Weifang Hansheng Chemical Co., Ltd. is a high-tech enterprise specializing in the technology research, development and production of fine chemicals. Now, our main products include Cirates, Adipates, Succinates, Sebacates, Nylon acid esters, Maleates, Palmites and other products, which are widely used in many fields such as pharmaceuticals, food, flavors and fragrances, cosmetics, paints, inks and new environment-friendly plasticizers.

Adhering to the concept of "technology-driven, technological innovation", and relying on the most advanced production lines and processes, perfect testing and quality assurance system, our company not only does our best to ensure product quality and stability, but also does our best to enrich the structure and variety of products constantly; we aim to provide quality products and services for customers.