THAILAND
GRC Lab(Thailand)
65/2 Si Chan Road, Wat Mai Subdistrict,
Mueang Chanthaburi District,
Chanthaburi Province, Thailand
BEI JING
GRC Lab(Beijing)
4079 Wanfeng Jewelry Trading Center,
Xinjiekou North Street,
Xicheng District, Beijing,China
Guang Zhou
GRC Lab(Guang Zhou)
NO.503,5th Floor,Lan Gang International Jewelry
Trading Center.
Central Kang Wang Road
Guang Zhou China
SHENZHEN
GRC Lab(Shenzhen)
No. 701A,Crystal Building,Cuizhu Road,
Luohu District,Shenzhen,China