Shandong Province Qingyun County Junchuang Lock Industrial CO., LTD is was established in 1990 ,Located in Shandong province of China, specialized in manufacturing Lead Seal, Container Bolt Seal, Cable seals, Meter seal , Plastic Seals and other High Security Seals , widely used in all kinds of transportation industry . With more than 20 years developing,we are becoming the famous security seal manufacturer in China,owning 10, 000sqm of standard building, with more than 100 production equipment and over 200 staffs. We have our own engineer team keep design and research new security seals to meet requirement of Clients. Our all products strictly made according to the standard of ISOPAS17712.