Shanghai Bluestone Yas Technology Co., Ltd. Chav 1102, No.18, Shunyi Txoj Kev Shanghai, Suav teb li_qing@bluestone.com.cn 0086-13817697799, 0086-(0)21-62444079,0086-(0)21-62444608 Hnub Monday txog Hnub Friday: 9 teev sawv ntxov txog 6 teev tsaus ntujHnub Saturday, Hnub Sunday: Kaw Sau koj cov lus ntawm no thiab xa tuaj rau peb
