... TNT),by air,by sea are optionalZhejiang Couson Electronics Technology Co.,Ltd is a high-tech green illumination and innovative enterprise, ... in hylology, optics, tehrmology, chymistry ,electron. Relying on Hangzhou, Wenzhou production base, with regional advantages and R&D ... in Wenzhou city, Couson builds sales center in Beijing, Hangzhou, Ningbo, Chendu and etc to promote products arround ...