China Telecom is the largest telecom service provider in China. In 2010, China Telecom launched the "Broadband China, Optical City" project. We became FTTH fusion splicer supplier of the project in 2013 and built a long-term cooperative relationship with China Telecom since then. In 2017, we passed the certification test of backbone fusion splicer, became certifed Backbone Network fusion splicer supplier of China Telecom.