Dongguan Gosun Electronic Precision Technology Co., Ltd.（DELTA Instrument）    
Electricity: 0769-83110798    
Chuanzhen: 0769-83117928    
Post box: gaoshengkeji@163.com    
Contact: Mr. Zhang    
Mobile: 18128028677    
Company Address: 1st Floor, Building B, No. 6 Creative Industrial Park, Songbailang, Dalang Town, Dalang Town, Dongguan City

Dongguan Gosun Electronics Precision Technology Co., Ltd. -Hangzhou Office    
Contact: Zhang Liang 18268184421    
Address: Sanjiang Commercial Building, Guling Road, Xixing Town, Binjiang District, Hangzhou City

1. Sales Director of the One District: Zetong Bing        
Phone (WeChat Same Number): 18128010179    
QQ： 773621159    
Responsible for customer areas: Jiangsu, Zhejiang, Fujian, Shanghai, Guangdong  

2. Sales Director of the Second District: Wu Zhipeng            
Phone (WeChat Same Number): 13827255201    
QQ： 1274684928    
Responsible for customer areas: Beijing, Tianjin, Shandong, Hebei, Shanxi, Inner Mongolia Autonomous Region, Liaoning, Jilin, Heilongjiang  

3. Sales Director of Three Districts: Bloombergwen            
Phone (WeChat Same Number): 13560889755    
Responsible for customer areas: Anhui, Hubei, Hunan, Henan, Henan, Jiangxi, Sichuan, Gansu, Chongqing  

4. Sales Director of Four Districts: Liu Xiaona            
Phone (WeChat Same Number): 18029089187    
Responsible for the customer area: Ningxia Hui Autonomous Region, Xinjiang Uygur Autonomous Region, Qinghai, Shaanxi, Guangxi Zhuang Autonomous Region, Hainan, Yunnan, Guizhou, and Tibet Autonomous Region