Shanghai Bluestone Plastic Technology Co., Ltd. Room1102, No.18, Shunyi Road Shanghai, Suav teb li_qing@bluestone.com.cn 0086-13817697799 ,0086-(0)21-62444079,0086-(0)21-62444608 Monday-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
