Knowledge

Crazy horse skin The abbreviation of a leather making process. People in Taiwan like to call it crazy cow leather, while in the mainland it is called

Health care function of gum Gum is cheap and can bring obvious benefits in less dosage, so it is widely used. It is expected that gum production will

Industrial application of gum ① Gum arabic. It is mainly the secretion of Acacia senegal. Light yellow to yellowish brown solid, brittle and shiny. It

Gum and propolis Propolis Propolis is a brown colloidal substance formed by bees collecting resin from gum plants and mixed with their own secretions.

Gum is a hardened resin or exudate from various trees and shrubs. Some gums dissolve in water, others absorb water and expand greatly when immersed in

Titanium does not contain harmful heavy metals, is non-toxic, and has good compatibility with human tissue and blood. Titanium can be implanted into h

What is titanium Titanium is a completely non-toxic metal to human body. It is a top aerospace material that can adapt to the harsh conditions of oute