Mainland China：lili@vip.zjgosun.com.cn

Ningbo：zhang@vip.ngsmetal.com

Suzhou：yw01@vip.zjgosun.com.cn

Dongguan：dggosun01@163.com

Shanghai：shgosun01@163.com

Malysia：yw09@vip.zjgosun.com.cn

Other Countries：yw19@vip.zjgosun.com.cn