Dummy

Wednesday, July 12, 2023

Price : 2.4-2.9$/kg

Sodium carboxymethyl cellulose gum (Na-CMC or cellulose gum) is the most widely used and most frequently used type of anionic cellulose ether. It is a white fibrous or granulated powder. Odorless, tasteless, non-toxic, hygroscopic, easily soluble in both hot and cold water, obtained...

Wednesday, January 12, 2022

Plant through hole via PCB or PTH PCB is the most common type. You only need to pick up the PCB to face the light, and the hole that can see the light is what we are looking for. This is also the simplest type of hole, because when making it, you only need to use a drill or a laser...

Tuesday, November 15, 2022

Under the threat of global energy shortage and the urgency to curb environmental pollution, the demand for energy conservation and emission reduction is increasing day by day, and countries have successively required enterprises to establish energy management systems to cope with...