Concealed ballistic glass, also known as hidden ballistic glass, is a type of bullet-resistant glass that is designed to blend seamlessly with surrounding non-bullet-resistant glass. It offers protection from gunfire while maintaining an aesthetically ple
Disposable medical mask,The medical mask is dustproof, germ proof and droplet fit the facial contour in an all-round way. It has no sense of restraint and blocks the droplet. It is comfortable, skin-friendly, soft, light, breathable and multi-protection.
Arbutin is mainly extracted from the leaves of bearberry plants (also known as bear grape, bearberry, purple forest, is a plant of the azalea family Ursalis. The fruit is a red berry), and is now mainly used in skin care products.
The laboratory vacuum oven maintains a certain degree of vacuum in the tank, lowers the boiling point, and can also be supplied with an inert gas. It is specially designed for the heat-sensitive, easy-decomposing and drying of easily oxidizable substances
1.Open the door way:fingerprint,password,combination of other ways .2.Double authentication :with fingerprint encryption and dual-fingerprint combination of open the door.
A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933