Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…
Graphite anode material is the main raw material of lithium ion battery anode sheet. Due to its rough processing technology, late start and industry specificity, the product is prone to quality problems such as fiber foreign matter and fine powder.…
There are mainly three indicators: foamability, foam toughness, and bleeding, to measure the quality of foaming agents.…
iPhone13 series wireless charging coil or will be larger Apple plans to add a "bigger" wireless charging coil to the iPhone 13 series this year, which may pave the way for reverse wireless charging. In addition, Apple may plan to provide re...…
Does iPhone 13 have fingerprint unlock under the screen? According to the news, the design of the iPhone has basically been completed, but the previously rumored fingerprint unlocking under the screen will not appear on the iPhone 13. However, accord…