L-Tryptophan CAS NO.73-22-3 CAS NO.73-22-3

Hebei yanxi chemical co., LTD      is a professional research, development and production  2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environmental protection safety smooth" call and support form, the bold innovation on traditional production equipment and technology, using "li tao cylinder" and "plastic basin of crystallization technology, on the basis of reducing the product cost make the product quality to achieve the same industry leading level.In the company all staff's efforts, for decades in shandong province guangdong, henan and other places set up several partners, quality inspection department in the company, under the close supervision of a production and sales in the form of "label", provide the fastest speed convenient service for users across the country.

In "advancing with The Times, and the city every day, with the advancement of" under the guidance of the core ideas, adhering to the "relying on scientific and technological innovation, the development of circular economy" of the enterprise purpose, established in the market, enhance strength, go the way of scientific and sustainable development of environmental protection, relying on the national technology research and development center, increasing spending on research and development based on the domestic market, expand the international market, manufacturing high quality products, sincere service society, toward a modern, ecology, science and technology of the domestic first-class, the world's advanced chemical enterprises.Before the advent of hormonal for external use, calamine, zinc oxide, lead acetate is applied most widely in many hospital dermatologist for external use, due to their curative effect is reliable, effective quick, less adverse reaction, by dermatologist as dermatologist for external use of "three magic weapons." the rapid development of modern medical technology, hormonal substandard medicines have medicine field, the "three big magic weapon" has become "boring", but the three drugs because of reliable curative effect, low cost, and some functions, including hormonal drugs outside no substitute, and is still widely popular with both doctors.