Since the third round of the “new crown epidemic” broke out in India in mid-April, the All India Industrial Gas Manufacturers Association (AIIGMA) and its members have successively carried out follow-up reports on the procurement of medical gas cylinders and oxygen production equipment from Chinese

On the 4th of this month, the number of confirmed cases of new crown pneumonia in India exceeded 100,000 in a single day for the first time, exceeding the peak of approximately 97,000 in a single day during the first wave of the epidemic last year. This record breaks the psychological barrier of the

1. When road construction, construction projects, or various vehicles are walking, they are attached to the scattered earth, sand, dust, iron powder, etc.2. When it is contaminated by harmful substances such as sulfurous acid gas contained in the exhaust of cars, buses, etc.3. It is polluted by the

Liquid nitrogen (often written as LN2) is a liquid form of nitrogen formed at low temperatures. Nitrogen has a boiling point of -196°C, and liquid nitrogen will be formed if the temperature is below this under normal atmospheric pressure; if it is pressurized, liquid nitrogen can be obtained at a hi