Gallic acid( 3, 4, 5-Trihydroxybenzoic acid) .... container or plastic bag lined woven bag Net wt 25kg Guangzhou Topwork Chemical Co., Ltd, is the biggest leading enterprise in China, we....
Guangzhou Topwork Chemical Co., Ltd. specialize in manufacturing corticosteroid and relative intermediate. We also provide contract reseach & custom manufacture services. Our strong API are: ....