A Lampholder Lamp Socket, also known as a lamp socket or light bulb socket, is a device that holds a Lighting Productbulb and connects it to an electrical circuit. It typically consists of a base, which is connected to the electrical wiring, and a socket, where the light bulb is screwed in. Lampholders come in various types and sizes to accommodate different types of light bulbs, such as incandescent, fluorescent, or LED bulbs. Lampholder Lamp Socket as the Lighting Accessories are commonly used in lamps, light fixtures, and other lighting applications.
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Among the 39 industrial categories, 37 industries saw a year-on-year increase in profits. Compared with the first quarter, the profit growth of 25 industries declined, and the profit growth of 14 industries increased. The profit growth of major industries was: oil and natural gas mining industry profits increased by 2.3 times, ferrous metal mining and mining industry increased by 1.7 times, chemical raw materials and chemical products manufacturing increased by 86.6%, chemical fiber manufacturing increased by 3.1 times, ferrous metal smelting And the rolling processing industry grew 140 times (last year's profit in January-April was only 340 million yuan), the non-ferrous metal smelting and rolling processing industry grew 3.9 times, the transportation equipment manufacturing industry increased 1.7 times, communications equipment, computers and other electronic equipment manufacturing The industry grew by 1.9 times, the electricity and heat production and supply industries grew by 7.8 times; the tobacco products industry's profits fell by 15.0% year-on-year, and the petroleum processing, coking and nuclear fuel processing industries fell by 6.8%.
In the 24 regions, the industrial enterprises above designated size achieved a revenue of 161.242 billion yuan, a year-on-year increase of 40.0%, and the growth rate dropped by 0.4 percentage points from the first quarter.
At the end of April, the accounts receivable of industrial enterprises above designated size in the 24 regions were 4,187.3 billion yuan, a year-on-year increase of 26.1%, and the growth rate was unchanged from the end of the first quarter. The funds for finished products reached 1,712.2 billion yuan, an increase of 8.5% year-on-year, an increase of 1.4 percentage points over the end of the first quarter.
[1] refers to industrial enterprises above designated size in 24 regions except Inner Mongolia, Hunan, Guangdong, Hainan, Chongqing, Yunnan, and Tibet. The main business income accounts for 82% of the country. 
In the first four months of this year, the industrial enterprises above designated size in 24 regions [1] achieved a profit of 978 billion yuan, a year-on-year increase of 91.5%, and the growth rate dropped by 11.1 percentage points from the first quarter.