According to data released by the National Bureau of Statistics on the 14th, in the first quarter, industrial enterprises above designated size in 22 regions across the country achieved a profit of 322.7 billion yuan, a year-on-year decrease of 32.2%, a decrease of 7.3% from January to February.
In the first quarter, except for Beijing, Inner Mongolia, Hunan, Guangdong, Anhui, Hainan, Chongqing, Yunnan, and Tibet, 22 provinces, autonomous regions, and municipalities, industrial enterprises achieved a total revenue of 7.8267 trillion yuan, a year-on-year decrease of 0.7%, a decrease of 1-2. The month decreased by 2%.
Among the 39 industrial sectors, the profit growth of 18 industries rebounded (or the decline decreased). Among them, the non-ferrous metal smelting and rolling processing industry changed from a loss of 940 million yuan in January-February to a profit of 1.11 billion yuan. The profitability of the petroleum processing and coking industries continued to increase substantially, and profits increased from 8.19 billion yuan in January-February to 17.39 billion yuan. (For the same period last year, it was a net loss of 21.64 billion yuan), the chemical fiber industry changed from a loss of 160 million yuan in January-February to a profit of 230 million yuan, the power industry reduced losses by 650 million yuan from January to February, and the profit growth of the textile and clothing industry was from 1-2. In the month, 17.6% rose to 24.4%, and profits from the special equipment manufacturing industry increased from a decrease of 5.6% in January-February to a growth of 0.6%.
At the end of March, industrial receivables of the 22 regions totaled 2,977.3 billion yuan, a year-on-year increase of 7%, an increase of 0.4 percentage points from January to February. The funds for finished products were 1546.2 billion yuan, a year-on-year increase of 10.4%, and the increase rate was 3.6 percentage points lower than that in the first two months.
KN95 is the standard mask in China
KN95 Mask is a kind of mask with particle filtering efficiency in our country
KN95 masks and N95 masks are virtually the same in terms of particulate matter filtration efficiency
KN95 is the standard mask in China
It is derived from the Chinese national standard GB 2626-2006 "respiratory protective articles self-priming filter type anti-particulate respirator"
(1) Standard sources
This standard is the mandatory national standard of China, proposed by the State Administration of Work Safety, and put forward by the National Technical Committee of Standardization of Individual Protective Equipment (SAC/TC 112).
(2) Technical content
In terms of the scope of application, this standard is applicable to ordinary self-priming filter respirators to protect against all kinds of particles. Typical respirators, such as masks, are not applicable to other special environments (such as anoxic environment, underwater work, etc.)
From the definition of particulate matter, this standard defines various forms of particulate matter, including dust, smoke, fog and microorganisms, but does not define the size of particulate matter.
From the point of view of the filter element level, it can be divided into KN class for filtering non-oil particulate matter and KP class for filtering oil and non-oil particulate matter, and labeled with this class, similar to N and R/P stipulated in the interpretation guide of CFR 42-84-1995.
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