Interested in purchasing Guangruntong products and services, please contact us:400-058-6019
For technical support, please contact us:010-51626541-8016
If you want to join the GRT team, please contact your email address:hr@grt-china.com
TEL:010-51653790
Address:18H, Block B, # 1, NO.48 North 3rd Ring West Road, Haidian District, Beijing