Tel: +86-572-3058288
General Manager: +86-572-3059288
Marketing: +86-572-3059278
Technology Quality Department: +86-572-3058808
Business line: Manager Zhu+86-13325829777；Manager Lu+86-18057258277；Manager Zhu+86-13325829758
Technical department: +86-13395728181 Manager Zhang
E-mail: ydywb@alu.cn(Technical department) ydly@alu.cn(company)
Website: yiysd.com
