Website：www.nthdjx.com、www.hdm.cn    中文域名：砖机.中国     E-mail:hengda@chinese666.com     

Vacuum extruder base：South of Longzheng bridge, Hai'an City, Nantong, Jiangsu, China    Hotline：13390933299、13390931366    Tel：0513-88802113

Concrete block machine base：No. 288 Changjiang West Road, Haian City, Nantong, Jiangsu, China     Hotline：13328080626    Tel：0513-88800288

International trade department　Hotline：0513-88801016、13255238000    QQ：363208670