the WPC was established R & D production base, the company is located in Changxing County , Zhejiang Province, Bai Da Industrial Zone , is a key economic development of the Yangtze River Delta district , 150 km from Nanjing , Hangzhou, 140 kilometers , Shanghai 180 kilometers , the transportation is very convenient, and the surrounding State Road 104 through , G25 and S14 high speed high speed .