Remote monitoring technology and its application to port hoisting equipment;

Development of control device for full digital contactless hoisting equipment;

Exploration into PROFIBUS-DP based network communication for lifting equipment in The Three Gorges’ power plant

By using specially made spindle head,selecting suitable lifting equipment and erection place,cable is laid sucessfully from top to bottom with some electrical shafts.

This article discusses the meanings of duplicate construction from the point of view of economic theory, and considers that it is appropriate to adopt notion of excessive competition instead of that of duplicate construction.

Recently, blind investment and low-level duplicated construction projects in many fields such as iron, steel and automobile, as well as in the fields of infra-structure, has been concerned a lot, which caused tremendous waste of resources and other unfavorable influences on economy.

In such industries as iron and steel, automobile, real estate, as well as in the fields of circulation and agriculture, duplicated construction projects are affecting the revenue and expenditure of public finance, causing tremendous waste of resources, increasing financial risk, and crippling the competitiveness of enterprises.