Trending
The TUV logo is a secure authentication mark customized by German TUV for components products, and has been widely accepted in Germany and Europe. At the same time, enterprises can consolidate the CB certificate when applying for a TUV logo,
Foaming the agent is a substance that can make its aqueous solution produce a large amount of foam under the condition of introducing air by mechanical force. This kind of substance is surfactant or surfactant. The essence of a foaming agent is its surface activity. Without surface activity, it can not be foamed, and it can not become a foaming agent. Surface activity is the core of foaming. Cement, the foaming agent, belongs to a narrow category of foaming agents. In the narrow sense of foaming
After unveiling its Redmi Note 11 series earlier this week, Xiaomi has finally released three new smartphones that give new meaning to the concept of value for money.The Redmi Note 11 Pro+, Redmi Note 11 Pro, and Redmi Note 11 have been offi
Generally speaking, high temperatures will kill most viruses. With the increasingly warming weather, will the rise in temperature slow down the spread of the new coronavirus to a certain extent?
0086-0379-64280201
brad@ihpa.net
skype
whatsapp