?? ???????? ???????? ????? ???? ??? ????? ??????? ?? ?????? ? ??????? ???? ?????? ?? ?????? ??????? ???????? ??????? ?? ? ???? ????? ?? ??? 1993 ? ?? ???? ???? ???? ?? ????????? ????? ????? ????? ? ???? ???? ????? ????????? ????? ????? ????????? ???????? ?????? ?????? ? ???? ???? ?????? ??????? ?????? ???????? ??????????? (??? / TC48 / SC3) ? ???? ???? ??????? ??????? ???? ?????? ? ??????? ?????? ?????? ??????? ?? ??????? ??????? ???????? ? ??????? ?????? ?? "?????" ????? ????????? ??????? ?? ?????? ???????. ?? ????? ?????? ?? ????? Shenzhen ?? 8 ?????? 2011 ? ??? ??????: 002641 ? ?????? ????? ??? ???? ????? ?????? ???????: Shanghai AD Building Materials Development Co. ? Ltd. ? Shenzhen Yonggao Plastic Industry Development Co. ? Ltd. ? Guangdong Yonggao Plastic Industry Development Co. ? Ltd. ? Anhui Yonggao Plastic Industry Development Co. ? Ltd. ? Tianjin Yonggao Plastic Industry Development Co. ? Ltd. ? Chongqing Yonggao Plastic Industry Development Co. ? Ltd. ? Zhejiang AD Electric Appliance Co. ? Ltd. ? Taizhou Huangyan Jingjie Plastic Industry Development Co. ? Ltd. ? Zhejiang Jinnuo Copper Industry Co. ? Ltd. ? Anhui AD Technology Development Co. ? Ltd. ? Shanghai Yonggao (Shanghai) International Trade Co. ? Ltd. ? Hunan AD Building Materials Co. ? Ltd. ?????? ?? ????? ??? ???? ????? ?????? ??????? ??????? ???????. ????? ??? ?? ?????????