, the standard of “Safe Technical Requirements For Agricultural Machinery Operating(Grain Combine)” and machinery industry standard “Product Quality Classification of Grain Combine”, insufficient bolt intensity has happened.

Introduce the progress of Shaanxi province′s cleaner production of machine industry and extend the technology.

Along with the coming of WTO,the machine industry will face international competition and challenge.

The virtual design has a board future in mechanical industry;

The Empirical Study on the Performance of M&A for the Listed Company of Mechanical Industry in the Year of 2005;

The optimization of exports structure and relative competitiveness of China machinery industry;

Machinery industry belongs to a typical discrete type of manufacturing.

In the light of the changes of machinery industry users requirements for the sci-tech information under the new situation,this paper analyzes the present situation of machinery industry users and sci-tech information resources,and puts forward some suggestions on solving existing problems.

The introduction of trade standard of HR angle for iron tower;

Study on tunnel fire-proofing board and compilation of the trade standard

The main technology indexes of revised SINOPEC trade standard of ethylene propylene copolymer viscosity index improver are explained.

To draft national standards and industry standards must be in according to the procedure to ensure the quality of standards and also have them effective.

This paper introduces mainly industry standards of tungsten-rhenium thermocouple wires.

Because of the contradiction among national codes,industry standards and local regulation,and the limited detail design,some typical problems were often met in the construction of EPS external thermal insulation,which include whether use the bolt to fix,the problems of the layer for protecting and of the design of separating chink.