Shanghai Bluestone Plastic Technology Co., Ltd. Room1102, No.18, Shunyi Road Shanghai, China li_qing@bluestone.com.cn 0086-13817697799 ,0086-(0)21-62444079,0086-(0)21-62444608 Jumatatu-Ijumaa: 9am hadi 6pmJumamosi, Jumapili: Imefungwa Andika ujumbe wako hapa na ututumie
