Shijiazhuang Yesheng Chemical Technology Co., Ltd (hereinafter referred to Yesheng), located in Xinji, is a professional Chemical company engaged in chemical products’ researching & developing, manufacturing and marketing. Yesheng is a leading high technology enterprise, which has introduced the latest advanced technology and equipment and professional personnel in the industry to produce aroma compounds including (2-Propenyl) 3-oxobutanoate （CAS：1118-84-9,Quinoxaline（CAS ：91-19-0）,2-Methylquinoxaline （CAS：7251-61-8）and so on, widely used in foods, daily used chemicals,tobaccos and the preparation of aromas. In addition, Yesheng also has its own dependent R & D center, as well as gas chromatography, liquid chromatography and other advanced facilities.Our team is made up of professional staff with rich industrial backgrounds and much experience, delicating to the offer high quality chemicals to related companies and institutions such as the researchment and custom sythesis of medical intermediates, agrochemicals intermediates, liquid crystal intermediates, OLED photoelectric material, dye etc. Yesheng not only can serve the customers’ special requirements from products category, package and purity, but also it can meet comprehensive demands for manufacturing company from small amount, medium amount to large amount. “People orientation, development and innovation, technology advancement and perfection improvement” is our philosophy. We will provide our customers the most qualified products and service with most competetice prices. Welcome quotations, looking forward to mutual benefits!