This article mainly introduces the electric grinders used for metal derusting. Read More

This article mainly introduces the method of removing rust and how to protect the metal from rust again after removing the rust. Read More

Polishing wax has a wide range of uses. Literally, the main purpose of a polishing wax is to polish. In addition, what else can polish wax do that we don't know about? Next, I will introduce the effect of polishing wax to you in detail. Read More

Jade without carving, will not become a beautiful artifact. Carving jadeite is not an easy task, it needs several steps. Read More

This paper mainly introduces how to pretreat the surface of wood products. Read More