Dongzun Chain Sprocket Manufacturing Co., Ltd (DZ),founded as early as 1993,is specialized in chains, sprockets, gears, racks and other transmission products. "DZ" is in Tai'an City Dawenkong Gypsum Industrial Park. There are Jing-Hu Highway, Jing-Fu Highway and No.104 National Highway. Since inception,"DZ" has set up 12 subsidiary companies and a sales network throughout China. Covering a total area of 35000 square meters, "DZ" has more than 300 skilled employees and many advanced ...