Shanghai Bluestone Plastic Technology Co., Ltd. Icyumba 1102, No.18, Umuhanda wa Shunyi Shanghai, mu Bushinwa li_qing@bluestone.com.cn 0086-13817697799 ,0086-(0)21-62444079,0086-(0)21-62444608 Kuwa mbere-Kuwa gatanu: 9h00 kugeza 18h00Ku wa Gatandatu, Ku Cyumweru: Bifunze Andika ubutumwa bwawe hano hanyuma ubwoherereze
