Shandong Guangtong is one of the subsidiaries of Changyu Holding Group, targeted in long-carbon-chain diacids(Undecanedioic Acid, Dodecanedioic Acid, Brassylic Acid, and Tetradecanedioic Acid) and...
We're a manufacturer of chemical products from P. R. China. We're the main leading manufacturer of long-chain diacid, diol, and cathaybiotech products in mainland China. Our products include...