Shenzhen Tian Si Yuan Technology Development Co. Ltd. - China

Shenzhen Tian Yuan Si Technology Development Co., Ltd. was established in March 2001, is a professional manufacture of optical communications and video transmission and processing products, scientific research, production and sales of high-tech companies, specializing in digital processing technology in the development and application of the field of communications, is committed to providing customers with reliable, effective, high-quality optical communication products and good pre-sales service for telecommunications operators, private network to provide stable performance and low cost network solution. The main products now are as follows: public phone charging device, PDH Optical Multiplexer, protocol converters, switches, etc.)