Novel coronavirus pneumonia outbreak since the outbreak, China has taken effective measures to prevent the spread of the epidemic, and promote the resumption of work and orderly production. The abil
Source: Shandong Provincial Health Committee
From 12:00 to 24:00 on March 2, 2020, there were no suspected cases of new coronary pneumonia
HIPS Black Conductive Sheet is made by HIPS mixed with black carbon power, the surface resistance value is
In mid-first-quarter 2020, prices of polyeth
"The new crown pneumonia epidemic has a direct impact on global trade and its supply chain, but after the epidemic is over, China's economy and the global economy will usher in recovery. In the long
