Tester Technical Service
Contact person：John Ye
Tel：021-58387288*1025
Mobile：13816077282
E-mail：john@dean.com.cn

Insulation Varnish Service
Contact person: Martin Liu
Tel：021-58387288*1004
Mobile：13816078266
E-mail：ljr@dean.com.cn

Insulation Material Technical Service
Contact person: Lizzie Zuo
Tel：021-58387288*1030
Mobile：13818957598
E-mail：zqx@dean.com.cn