LED, as a rapidly emerging industry, has demonstrated immense market potential in recent years, drawing substantial investment from various capital sources. According to the High-tech LED Industry Research Institute (GLII), from 2009 to 2012, the total newly planned investment in the domestic LED industry reached 580.8 billion yuan, reflecting a strong interest in this sector. This growth was particularly driven by upstream segments such as epitaxial chips, sapphire substrates, and packaging, which saw significant expansion over the years.
In 2009, the mainland’s LED industry saw new investments of 62.5 billion yuan, marking the beginning of a rapid development phase. Major players like Jingyuan Optoelectronics, Yuyuan Optoelectronics, and local firms such as Ganzhao Optoelectronics expanded their operations, while international companies like Xu Ming and Zhen Mingli also increased their presence in the Chinese market.
By 2010, the industry entered a period of frenzied investment, with an annual planned investment of 217.9 billion yuan, a 249% increase compared to the previous year. The upstream epitaxial chip segment remained the most attractive, with 136.9 billion yuan allocated, representing 63% of the total investment.
The trend continued into 2011, with the sapphire substrate market experiencing a surge in prices and investments. In that year, the newly planned investment in the sapphire field reached 37.2 billion yuan, a 64% increase from 2010, with 26 new projects launched.
In 2012, the focus shifted toward LED lighting. From January to September, the newly planned investment in the LED industry amounted to 79.4 billion yuan, with estimates suggesting a full-year investment of 105.9 billion yuan. Lighting-related projects accounted for nearly 45% of the total, showing a clear shift in investment direction.
However, this rapid expansion led to overcapacity across several sectors. The epitaxial chip segment was the most affected, with MOCVD equipment utilization rates below 60%, and capacity utilization at only 30%. Similarly, the sapphire substrate market faced overproduction, with actual demand far below the projected supply.
In the midstream packaging sector, the capacity utilization rate was around 60%, while downstream applications such as display screens and landscape lighting showed limited growth potential. LED lighting, on the other hand, began facing intense price competition due to overcapacity and a surge in market entrants.
Meanwhile, the supporting industries—such as equipment, materials, and components—began to gain attention. Although previously overlooked due to their smaller market size, these areas have seen growing interest. From 2010 to 2012, the newly planned investment in the supporting industry totaled 13.5 billion yuan, accounting for less than 5% of the total. However, with increasing localization efforts, the market is expected to grow significantly.
For example, the stent industry saw a 30% localization rate in 2012, with over 120 manufacturers operating domestically. By 2015, the market is projected to reach 16.8 billion yuan, with a localization rate of 80%. Similarly, the packaging equipment sector saw a 30% localization rate in 2011, expected to rise to over 60% by 2015.
With the industry nearing saturation in some areas, small and medium-sized investors may find opportunities in the supporting sectors in 2013. These fields offer more stable growth potential and lower entry barriers, making them an attractive alternative to the more crowded upstream and downstream segments.
Tamping Rammer
Tamping rammer:it is made according to the principle of two-stroke internal combustion engine, and there are two pistons in the cylinder, the upper piston is the internal combustion piston, and the lower piston is the buffer piston. The lower part of the cylinder is equipped with a rammer that slopes the bottom surface, so that the vertical axis of the cylinder is skewed forward. The upper piston rod stretches out from the through hole in the middle of the cylinder top cover, and the lower piston rod stretches out from the lower end face of the cylinder, and is integrated with the rammer, and the cylinder and the rammer are tightened by a spring, and a handrail is provided to control the forward direction of the rammer. The fire rammer is under the action of the ignition and explosion force of the combustible mixture, therefore, it jumps off the ground in front of the top and under the action of its own weight, and falls to the ground to ram the soil, and the rammer jumps and falls, and the fuselage moves forward step by step. The rammer product has a wide range of uses, not only suitable for tamping and leveling with various sand, gravel and triple soil, but also suitable for tamping and leveling asphalt gravel, concrete and clay, especially suitable for the construction of buildings, ground, courtyards, roadbeds, bridge piles, trenches, fields, narrow sites and other environments.
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