GuangZhouWangluCommunicationCo, . Ltd was founded in 2001, software and hardware development as leading direction, specializing in producing all kinds of CCTV tester , Optical Power Meter, cable tester , laser Light Source, RS485 share device, POE switch etc. in China. The products are all in the fashionably and delicately designed. Furthermore, our company has obtained CE, FCC and ROHS certification and registered the "tester" and "TesterPro" trademark .we continue to study and introduction of foreign advanced technology, to make our product has strong applicability and market competitiveness "Innovation, integrity, professionalism, aggressive" is our business philosophy; we will supply high quality products, excellent service, and good reputation with customers for a better future.