Shandong Yuedun Seals Co., ltd is located in the beautiful coast of Bohai sea - Dezhou, China. It is an integrated and high-level enterprise with the ability to research, design, produce, and sales; and it has professional factory which produce plastic seals, cable seals, meter seals, bolt seals, RFID electronic seals and so on. Yutong is an excellent manufacturer and exporter of security seals in China.