​Guangdong has cemented its position as the country's largest provincial economy

Guangdong has cemented its position as the country's largest provincial economy for the 28th consecutive year, with its gross domestic product (GDP) exceeding 7.9 trillion yuan in 2016.

Its GDP increased 7.5 percent compared to last year, according to a report by 21st Century Business Herald.

The next biggest provincial provinces were Jiangsu, Shandong, Zhejiang, Henan and Sichuan, finishing in the same position as 2015.

Central China's Hubei province surpassed Hebei province for the first time to rank 7th with 3.2 trillion yuan, up 8.1 percent.

Nine provincial-level regions' GDP exceeded 3 trillion yuan in 2016, three more than the year before. The number of provincial-level areas with GDP surpassing 1 trillion yuan in 2016 remained 25.

Of the 27 provincial-level regions that outpaced the country's 6.7% GDP growth in 2016, only three regions - Chongqing, Guizhou and Tibet - achieved double-digit growth.

The GDP of Southwest China's Chongqing Municipality grew by 10.7 percent in 2016, hitting 1.76 trillion yuan. Southwest China's Guizhou province and Tibet autonomous region posted 10.5 percent and 10 percent growth respectively.

Six regions recorded GDP growth less than 7 percent, with China's north-eastern rust belt Liaoning province at the bottom with negative growth.


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Lighting Aluminium Profile Extrusion Dies


Aluminum alloy lighting material is a material for lighting equipment made of aluminum alloy. Aluminum alloy is lightweight, corrosion-resistant, and has good thermal conductivity. It is suitable for manufacturing various lamps, such as table lamps, floor lamps, wall lamps, etc. Aluminum alloy lighting materials usually have excellent heat dissipation properties, which can effectively dissipate the heat generated by lamps and extend the service life of lamps. In addition, aluminum alloy lighting materials can also be surface treated, such as anodizing, spraying, etc., to increase their wear resistance and corrosion resistance and improve their appearance and texture. Aluminum alloy lighting materials are widely used in lamp manufacturing and have become one of the important materials in the modern lighting industry.

Aluminum alloys are widely used in lighting, mainly in the following aspects:

1. Lamp body material: Aluminum alloy has good thermal conductivity and corrosion resistance, so it is often used as the main body material of lamps, which can effectively dissipate heat and extend the service life of lamps.


2. Reflector: Aluminum alloy has excellent reflective properties and is often used as a reflector for lamps, which can improve the efficiency of light and reduce energy consumption.


3. Radiator: Some high-power lamps, such as LED lamps, will generate a lot of heat. Aluminum alloy has good heat dissipation performance and can be used as a radiator for lamps to prevent the lamps from overheating and ensure their stable operation.


4. Lamp stand: Aluminum alloy has high strength and light weight. It can be used as a light stand for lamps to support the weight of the lamp. It can also reduce the weight of the lamp and facilitate installation and movement.


5. Decoration: The surface of aluminum alloy can be processed in a variety of ways, such as anodizing, electrophoretic coating, spraying, etc., which can change its color and gloss and improve the decorativeness of the lamp.


Therefore, aluminum alloys are widely used in lighting, which can not only improve the performance of lamps, but also improve their aesthetics.





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