China Railway Signal & Communication Corporation Limited (hereinafter referred to as CRSC) is the provider of railway signal and communication technology, products and services, the precursor and leader in the China rail transit control industry, one of the biggest rail transit system solution provider. We provide specialized one-stop solution of design and integration, equipment manufacturing and system implementation services for rail transportation control systems to our customers and are the only authorized reviewer of rail transportation control system equipment modes, technology standards and product standards in the PRC. CRSC has 19 first-level subsidiaries, with a total number of 15, 000 employees.