Yunnan emerald technical support is divided into: pre-sales and after-sales. Pre-sales technical support refers to the support of pre-sales technical support when you can't solve product specifications and problems in other ways. After-sales technical support is a form of after-sales service for customers to help users properly use products and solve technical problems caused by products.
1.Service phone：+86 871 63572038
2.Plant phone：+86 871 67976867
4.Address: 21st Floor, Unicom Building, No.51 Jiangbin West Road, Wuhua District, Kunming City, Yunnan province,China