Jiangsu Guotai Int`l Group ,is a big trading company in import& export.There are 2 five-star hotels and over 14000 employees in this group.
Winsun is one of the companies of GUOTAI group, in import& export business.
Winsun had gained ISO9001:2000 certifcate.
Our department `s products are tool, valve, and faucet .