Keyun group is the core of operation and management under the leadership of the group's board of directors, responsible for the planning, formulation and implementation of the group's overall development strategy; Responsible for creating a good business environment inside and outside the group; Control the capital operation and management at the group level; Supervise and monitor the operation and management of enterprises in the group; Organize the development and promotion of new products and projects, and assist enterprises to implement and optimize project management; Responsible for the overall informatization construction of the group; The head office is also the leader, organizer and promoter of the group's human resources system and corporate culture construction. Address: 2412, floor 24, Tianxing riverside Plaza, No. 81, shiyijing Road, Hedong District, Tianjin Zip code: 300000 Tel: 022-58155912 Email: kyzgs@keyun.com.cn

Address: 26th floor, Tianxing riverside Plaza, No. 81, shiyijing Road, Hedong District, Tianjin Post code: 300171 Tel: 022-58155105 Contact Fax: 022-24132288, 24109036 Email: kytj@keyun.com.cn

Address: 26th floor, Tianxing riverside Plaza, No. 81, shiyijing Road, Hedong District, Tianjin Post code: 300171 Tel: 022-58155917 Contact Fax: 022-24109912 Email: gh@keyun.com.cn

Address: 26th floor, Tianxing riverside Plaza, No. 81, shiyijing Road, Hedong District, Tianjin Post code: 300171 Tel: 022-58155917 Contact Fax: 022-24109912 Email: gh@keyun.com.cn

zip code: 300040 Tel: 022-58220588 Contact Fax: 022-58220545 Email: gj@keyun.com.cn

zip code: 300040 Tel: 022-58220588 Contact Fax: 022-58220545 Email: gj@keyun.com.cn

zip code: 300040 Tel: 022-58969606 Contact Fax: 24109199 Email: gx@keyun.com.cn

地 址：天津市滨海新区贻航国际5号楼裙楼204 邮 编：300463 联系电话：022-25600672

Address: room 1101, Yaojiang International Plaza, No. 258, Wusong Road, Shanghai Postal Code: 200080 Tel.: 021-65958488 Contact Fax: 021-65950178 Email: kysh@www.keyun.com.cn

Address: Jiahui Guomao 12a04, No. 11, Caihong South Road, Jiangdong District, Ningbo Postal Code: 315000 Tel: 0574-27866320 Fax: 0574-27866323 Email: daisyhe ngb@www.keyun.com.cn Website: www.www.keyun.com com. cn

Address: 608, Jingxin building, No. A2, North East Third Ring Road, Chaoyang District, Beijing Postal Code: 100125 Tel: 010-50830866 Contact Fax: 010-64165910 Email: kybj@keyun.com.cn

Company Address: 1402, Haizhu building, 166 Xinhua Road, Heping District, Tianjin Tel: 022-58969366 Contact Fax: 022-589393 Company email: info@catl.com.cn