... supply capability About usGuangzhou Chang Sheng Yong Da Trading Co., Ltd. (CSYD) was established in 2001,and located ... are our top priority. Our company specializes in trading heavy duty trucks, dump trucks, tractors and cement ... vehicles. We also supply spare parts of truck for export, such as concrete mixer drum, cab, tire, engine ... 4 and 8 x 8. Our capacity of export is up to 2000 units every year. At ...