The LED industry chain includes epitaxial growth and chip fabrication, packaging and applications. According to the needs of the LED component structure, the upstream LED chip manufacturer first performs metal evaporation, then etches and heats the reticle on the epitaxial wafer to fabrica…

According to the statistics of the China Iron and Steel Association on key large and medium-sized iron and steel enterprises, the steel industry achieved a profit of 1.034 billion yuan in the first quarter of this year. Through scientific and technological innovation, cost reduction and ef…

According to JB3051-82, the positive direction of movement of a part of a machine tool is the direction to increase the distance between the workpiece and the tool.

(1) Z coordinate movement

The Z coordinate motion is determined by the pr…

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than last week's high line than last month's. Q235 Xingtai Steel 5040 -10 40 560 High Line Φ8/10mm Q235 Haixin 5040 -10 40 560 High Line Φ6 .5mm Q235 sunshine 5040 -10 40 560 high …

• Model NO.: YPA I-2500
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Viewpoint: It is expected that the growth rate of investment in the machinery industry will rebound in the first half of 2007, and the sales and profit levels of special equipment such as construction and construction machinery and mining equipment are all in a rare good condition in recent ye…

0 Introduction Modern metal cutting technology is moving in the direction of high speed, high efficiency, high precision, low cost, resource conservation, and environmental protection. The traditional tool development process needs to go through materials …

Product name Specification Material Steel/Production price (yuan/ton) Yesterday Last week than last month General line Φ6.5mm Q235 Changzhi Steel 4950 0 200 650 General Line Φ8mm Q235 Changzhi Steel 4950 0 200 650 High Line Φ6.5mm Q235 Sea Xin 5000 -20 270 650 High Line Φ6.5mm Q23…