Topsecu Technology Limited, established in 1998, is a manufacturer and trading company based in Guangzhou, China, specializing in guard tour systems and security products. With 11 to 50 employees, the company is an industry leader in the design and manufacturing of security guard patrol tour systems and accessories. They offer comprehensive solutions for guard tour control, guard patrol verification, and time and attendance management. Their core product lines include iButton Guard Tour Systems (TS-G100, TS-G200, TS-G300, TS-G400), RFID Proximity Security Guard Tour Patrol Systems (TS-G500, TS-G600, TS-G600B, TS-G700, TS-G700G, TS-G900), and GSM/GPRS Real-time Guard Tour Monitoring Systems (TS-G800GM, TS-G800GS). They also provide related accessories such as Touch Memory Buttons, RFID Cards & Tags, Checkpoint Buttons, Touch Probes, and Ibutton Readers. The company expanded its product offerings to include access control systems, time & attendance systems, and metal detectors. Topsecu Technology Limited is known for its ability to take a product from concept to production efficiently and offers OEM services. They emphasize providing high-quality products, competitive prices, reliable services, and outstanding customer support.