SHENZHEN TANGCHAO ELECTRONICS CO.,LTD. is a comprehensive cooperation which design, research & develop and production. It occupies more than 1000 square meters field with over 100 workers, administrative staff and technicians. Our main products are flashing badges, glowing cups , flashing ice-tubes, glowing pens, flashing gifts and promptions ect. The believable social images has won the general approval and welcome of various circels of society.