Nanjingsanai was established on July 27, 2007,which is a weighing and industrial automation research and development, design, manufacture, installation and service of the Group of companies , now it has three wholly owned subsidiaries and a controlling subsidiary of Sino-Australian joint venture ,and it is a national high-tech enterprises. The products in metallurgy, electric power , transportation, ports , chemical and other industries are widely used ,and even exports to Asia, EU and other countries.

Nanjingsanai attaches great importance to basic research of belt scale, until now the company has been granted twenty patents ( including three invention patents , fourteen utility model patent ,three software copyrights ) ;and it has an international patent application in the United States , European Union, India and other five countries . The company's trademark was " Nanjing famous trademark " ; and corporate credit rating of "AAA"; was named "the contract and keeping promises" enterprise ; passed the ISO9001 international quality management system certification ; the company is now China Weighing Instrument Association executive director, China Weighing Instrument Association Technical Expert Committee , the National Standardization Technical Committee weighing units