Overseas business

Sonic Xie：(+)86-15205083651
sonic.xie@desioptoe.com

China mainland business

North China: 饶标(+)86-17521215795
raobiao@desioptoe.com
South China: 杨海(+)86-13020268638
yanghai@desioptoe.com

Company address

Workshop 4, No. 485 Xiangjiang Road, Jiading Shanghai