Introduction for leather materials

Precision ceramics are bright and clean, wear-resistant, and don't hurt the skin. The main component is zirconia, which can obtain good processing

High hardness, wear resistance, clear appearance lines, bright and clean, known as "wear resistance material". It can be used in combination

The tungsten carbide and titanium carbide powder are pressed into the embryo at 1000 PA pressure, then die-casting die is used, and then sintered into

Due to the upsurge of all steel watches, titanium gradually emerged. Its material is known as "aviation age" metal. What is titanium? Titani

Complex of steel, chromium and nickel The surface of stainless steel can be electroplated or not. Only polishing, sandblasting and sand drawing can be

In the watch, copper is the best thing, it is cheap, and its characteristics are very easy to process. It is mainly used in the core, and most of the

"The purity of silver, 925 is not the highest purity of silver! You can see that the domestic real-time silver prices are 99.99%, 99.95% and 99.9

Electroplating is a common decoration method of watch case in modern watch. Electroplating technology rose in the 1970s. Because electroplating is uni

The case is made of stainless steel, covered with a layer of gold alloy, which is rolled into a whole by mechanical rolling. Its thickness is measured

It is made of stainless steel and 18 KJIN materials, which shows unique two color aesthetic feeling.

K-gold refers to the alloy of gold and other metals mixed together, because its English is karat gold, so it is referred to as K-gold. For the preciou

Platinum is a kind of rare and expensive natural pure white metal. It is one of the rarest precious metals for jewelry in the world. Its annual supply