It's a new title. Com is effective?

Invalid, as long as it is not recognized by the formal institutions of the state, it is invalid.

China Construction Talent Service Information Network (hereinafter referred to as Jianxin Network) is hosted by the National Construction Talent Information Consulting and Employment Guidance Center (hereinafter referred to as the Center) and undertaken by Beijing Han Yun Culture Group, which is controlled by the Center. It is a platform and service website for information consultation and employment guidance of professionals in China construction industry. The National Information Consulting and Employment Guidance Center for Construction Talents is a specialized agency authorized to carry out talent certification in the construction industry.

China Construction Talent Service Information Network was officially opened in 2005. Its main purpose is to use the network technology resources and the national employment system in the construction industry to combine online services with offline services, and fundamentally solve the problem of information asymmetry between supply and demand. The platform will mainly focus on the needs of professionals in the construction industry and employers in construction enterprises and institutions, give full play to the advantages of resources in the construction industry, and carry out various services to drive provinces, cities, industries and universities to improve the level of employment guidance services.

"Jianxin. Com "aims to serve construction professionals, construction enterprises and institutions, promote the development of the construction industry, and thus build the only information service platform for construction talents in China."