company：Shandong Lai'en Optoelectronics Technology Co., Ltd free hotline:400-618-3915
address：West Head of Shanbo Road, Jining High tech Zone
phone：0537-3169707/808 fax：0537-3166661 Email：ln100@laien.cn
website：/ 
Filing number：鲁ICP备16041279号 Publicity of Business License
