Container security bolt seal,The company has gained industry recognition for its integrity, strength and product quality. Welcome friends from all walks of life to visit, guide and negotiate with Shandong Yuedun Seal. Shandong Yuedun Seal Co., Ltd. is located in Dezhou, Shandong, China and is a well-known security seal manufacturer. It mainly produces bolt seals, cable seals, plastic seals, metal seals, padlocks, instrument seals, and lead seals. All products are widely used in customs, ports, logistics and transportation, postal services, supermarkets, banks, oil companies, security, water and electricity.