We are a professional security seals manufacturer in China mainland. Most of our products are approved by ISO/PAS 17712 test in Dayton US. And our prices are lower than other famous factory in China due to we are the OEM, and no middle man is involved so make our prices are more competitive. You may visit our website at http://www.wzseal.cn. If you have interest in and of our products, pls feel free to contact us at any time.