BESTONE HIGH TECH MATERIALS CO., LTD.
Office: 15 Floor, Building 7, Tian'an Center, No. 31 East Jihua Rd
Nanhai, Foshan, GD 528000, China
Phone: +86 757 8123 4141
Factory: Antan Street, Yuncheng Industrial Area
Yunfu, GD 527327, China
Website: www.bstquartz.com
Mr. Tay Suen
TEL: +86 137 6331 1804
Mr. Gavin Cheng
TEL: +86 137 0290 8132
Mr. Yang
TEL: +86 139 2729 3633