Bulldozer market picks up steadily and exports need to continue to focus

The bulldozers market rebounded steadily, and domestic demand declined. In December 2009, the National Manufacturing Purchasing Managers' Index (PMI) was 56.6%, the highest level since May 2008. The manufacturing economy generally maintained a trend of recovery, China The stabilization of the economy picked up further. The new orders index was 61.0%, up 2.6 percentage points from the previous month, and it rose to a high of over 60% with the production index, indicating a significant increase in the number of new orders in the manufacturing industry and increasing market demand. It has played a positive role in bulldozers' market development. Although domestic demand for bulldozers has fallen month-on-month this month, it will perform well in the future as market demand increases.

In December, bulldozer export demand rebounded, and foreign export resistance remained large. In December 2009, China’s foreign trade import and export increased significantly, of which exports were US$ 130.73 billion, which was the fourth highest monthly export value in history, with a year-on-year increase of 17.7% and a month-on-month increase of 15%. %, the first positive increase in 14 months. In December, the new export order index was 52.6%, which remained above the critical point, but fell 1.0 percentage points from the previous month. December exports improved better than expected, and China’s bulldozer export sales rebounded. A good momentum of recovery will be formed. The future bulldozer export will improve, but it is worth looking forward to. But due to the slow recovery of the world economy and other uncertainties, the export resistance of the manufacturing industry is still relatively large. It should not be too optimistic about the change in the international market.

New loans in December were slightly lower than market expectations, and the overall economic vitality was relatively strong. In December 2009, China’s newly added RMB loans reached 379.80 billion yuan, an increase of 85 billion yuan from the previous month, slightly lower than the previous market forecast of 500 billion yuan. As a whole, China’s new RMB loans still maintain a large amount of possession, which is very helpful for the development of the bulldozer market.

The process and characteristics of honing steel tube and improving surface roughness can almost reach Ra less than 0.4 um. 2. Correct the roundness, the ellipticity can be less than 0.01 mm. 3, improve the surface hardness, eliminate the stress deformation, hardness HV 4 ° or higher



After processing, the residual stress layer shall improve the fatigue strength by 30%.


Improve the coordination quality, reduce wear and tear, and prolong the life of cylinder.

Internal diameter tolerance: H8, H9, straight line 0.3mm/ 1000mm, 0.5mm/ 1000mm.

Stainless Steel Honed Tube

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