Shanghai oufeier Photoelectric Technology Co., Ltd
TEL:021 - 65927109
FAX:021 - 65927118
HOTLINE:021 - 65927109
EMAIL：SALE: sales@optofilm.com
technology: xue.y@optofilm.com
Address: No. 888, Wenshui East Road, Hongkou District, Shanghai. Postal Code: 20043