99% diphenhydramine hcl powder 147-24-0

Shangqiu Kangmeida Bio-Technology Co., Ltd. is committed to the development and research of food additive, food additives has become a set of chain, sales, logistics and distribution, production in one group of companies. The company has an independent storage, R & D, sales network, after-sales service team. Since its establishment in October 1, 2000, set up branches around 4, professional and technical personnel 20 people, engineer 5 people, engineer 2 people, warehousing...