Shanghai Zhongda Information Industry Development Co., Ltd. (Shanghai Tri-D Information Industry Development Co., Ltd., STD) is in the information industry has a strength of new technology companies. The company enterprise information system as the main direction of Shanghai Petrochemical Company Limited (Shanghai Petrochemical Company Limited, SPC) in the information industry of professional enterprises. Mainly engaged in enterprise information systems development / integration, production and sales of hardware and software products, information technology support, network engineering design and construction, dedicated to creating the user's success, allowing users to have a competitive advantage on the market. In order to promptly respond to new and old customers in the business activit.. (more>>)