SHANDONG TENGXIN SEAL CO., LTD is found in 2006,specialized in one time security seals. Our main products include plastic seal, bolt seal, cable seal, meter seal, metal strap seal, etc. Our workshop area exceed 1300 square meters, we have more than 280 sets of advanced equipements and 300 employees. We have passed the factory inspection ISO9001, ISO 18001,ISO14001 testing. After ten years growth, our products have been sold to more than 100 countries and have agents in US, EU, Southeast Asia, Middle East Asia and Africa.