Shanghai Asialock security seals Co., Ltd found in year 2022, it's factory Jiashan Yiwado Security Seals Manufacturer found in year 2013. The factory has ISO 9001: 2015 certification, and has completed production line for all kinds of security seals. All of the high security bolt seal has ISO 17712: 2013 certification. We have serviced more than 200 customers from all over the world, and sold security seals more than 150 million every year. Welcome to contact with us for more info.