by zdzhhh4a

2012-2-22 15:10
Cold drawing and cold extrusion are two different methods of cold processing for square pipes, and the two are not the same concept. Cold drawing refers to the......
2012-2-22 15:9
Stainless steel square tube is currently in the process of industrial structure adjustment. If it encounters a sharp drop in steel market prices due to overcap......
2012-2-22 15:8
Common effective methods for preventing and controlling flower and tree pests and diseases: ① Powder spraying method: Use powder spraying equipment to spray po......
2012-2-22 15:7
Spring floral plants should be full of vitality and life, but some potted flowers and tree stumps begin to wither and even die after putting out a few tender l......
2012-2-22 15:5
The head is a part of the container (as shown in the figure on the right). According to its geometric shape, it can be divided into several types: spherical, e......
2012-2-22 15:4
Definitions of thickness according to GB150-1998 standard: (1) Calculated Thickness The thickness calculated by the formulas in each chapter. When necessary......
2012-2-22 15:3
In recent days, in the China Light Textile City Market, the price of pure cotton cloth continued to rise, but the growth rate slowed down. The price of cotton ......
2012-2-22 15:2
On November 17th, it was learned that due to a sharp increase in the cost of upstream raw materials, market operators dared not accept large or long-term order......
2012-2-22 15:2
This is the newly built article 1.html, about drainage boards. Please modify and add the main body content.
2012-2-22 14:59
The structure of glass kilns and refractory linings, the RH refining method is a vacuum circulation degassing method successfully developed in 1958 by the Germ......