We are Tianjin Hengguang Technologies Co., Ltd located in Tianjin and specialized in developing and manufacturing telecommunication equipments such as PCM, PDH, SDH, SCADA system, media converter, optic converter, optic fiber cables, optic hardware and other related products. 
Our company possesses 23 SMD production lines, 4 assembly lines, lead-free soldering technology. Our professional technicians who possess more than 20 related working experiences can ensure you the quality of products. 
Our products can meet your any requirements in lighting protection. 
We strictly implement the ISO9001 quality management system and BACL qualification, and can provide you tailored telecommunication products. 
Our technicians can provide your timely consultant service for any question about the telecommunication products. 
Recently we have updated our website for providing our clients more detailed and comprehensive technical information about our products. If you are interesting about our products please visit our website as following: