Shandong Junchuang Lock Industrial Co., Ltd. Shandong Junchuang Lock Industrial Limited Company has been one of the considerable one-time lock manufacturers in China.It specializes in producing Lead Seals, Shi Blockade, Plastic Seals, Meter Box Block, Bird Prevention Device, Cable Sheath, Signboard, and High Security Seals. Founded in 1990 and formally registered in Secretary of Commerce…