Tel：+86 18273158451（Changsha branch)；+86 0451-87521097（Headquarters in Heilongjiang）
Mobile phone number:
(1)Changsha company sales director-Liu Chunying:+86 18974811260
(2)General Manager of Changsha Company-Yan Jun:+86 17785289769
(3)Group Deputy General Manager-Yan Hong:+86 18946193200
QQ Customer Service：2602536373
Email:hd87521097@163.com