Wing Yip Building Materials & Engineering Co. Ltd. Address: Flat 1001, 10/F, Prowell Asia Centre, No. 926 Cheung Sha Wan Road, Cheung Sha Wan, Kowloon, Hong Kong. Tel ：852 3124 1222 Fax：852 3124 1223 E-mail：wingyip@wingyipeng.com
