... Website:http://www.bittoquartzstone.com, Bitto Industry (Dongguan) Co.,Ltd is waiting for you to wholesale customized quartz stone ... abnormal shaped product after heating, and there is a little of dust when making, It is the first choice ... owns three production bases: (Dongguan) Co.,Ltd.; Hubei BITTO Building Material Technology Co.,Ltd.; Victory Industry Co.,Ltd., BITTO Industry The annual output is ...