Shandong Junchuang Lock Industrial Limited Company is one of the largest one-time lead seal manufacturers in China, specializing in producing Lead Seals, Cable Seals, Plastic Seals, Meter Box Seals, Bird Prevention Device, Signboard, and Bolt Seals and Container seals. Formally registered in Secretary of Commerce and Industry in 2008, Junchuang has had about 10 years selling experience from then on. Now we have ISO9001, ISO28000 and SGS certificates, and five patent certificates including plastic seal, meter seal, car sealing, plastic bag seal and lead seal.