Yantai Changyun Electronics Co., Ltd.

Yantai Company

Tel: (86-535) 6930766 6930767

Fax: (86-535) 6930766-8003

Email: salescy@163.com

Address: Room A-09,3rd Floor,No.3 Hengshan Road,,Yantai Economic and Technological Development Area 264006 ShanDong Province( CN)

Beijing Company

Tel:  15064510689 13792576270

Address: Room 112, Building 7, West District (Xingguang Avenue), No. 56, Zhichun Road, Haidian District, Beijing, China

Zip code: 100098

Shanghai Company

Phone:  13501617086   021-39921588 

Fax: 021-39921588

Address: Room 907, Zhongbo Business Building, No. 1112 Hanggui Road, Anting Town, Jiading District, Shanghai, China

Zip code: 201800

Changyun International (Hong Kong) Co., Ltd.

Email: selescy@163.com

Address: Room 1104, Carver Building, 70 Queen's Road, Central, Hong Kong