As far as we know, due to improper transportation and storage methods, the damage rate of vegetables and fruits is as high as 30%-40%. This

Because of the widespread of COVID-19, many environments now require machines and equipment to purify the air, disinfect and sterilize. They are mainly divided into

1.What is formaldehyde? Formaldehyde is a colorless, flammable, and strong odor gas. It belongs to an organic compound called aldehyde, which is formed by the

COVID-19 is a dangerous disease that is highly contagious and can be fatal to all infected people, especially the elderly and infirm. Coronavirus can linger

Today’s hotels must not only focus on high-end, luxury, beauty and comfort. But most importantly, provide guests with a healthy and safe environment. For many