Shenzhen Zhengdasheng Chemical Co., Ltd., since 1998, a professional chemical glue company. staff member 1000 people, research staff of more than 40 people, the workshop area of over 4,000 square meters, the annual production capacity of more than 30,000 tons, strong technical force. Quality is our culture, the company has passed ISO9001: 2000 quality management system certification, the company all products have passed SGS, RoHS environmental testing report....