Shanghai RongZheng Security Seals  was established in 1995.Our facilities are located in Shanghai,China. The annual production capacity is up to 80,000,000 units.
We produce ISO 9001:2008, ISO 17712:2013, Dayton T. Brown certified high security seals including bolt seals, cable seals, truck seals, indicative plastic seals, tamper evident seals, padlock seals, metal seals, meter seals, security void label, security tapes, etc.
Our promise is to offer the better solutions for customers by our high quality production, packaging, logistics and service.
Look forward to working with you!