Surface treatment is a process to change the surface of metal materials:

Dalian metal surface treatment belongs to an ancient technology. Since there are humans on the earth, surface treatment is a technology that humans have long mastered. The primitive people lived a hard life and lived in groups. In order to survive, they made stone tools and used grinding technology to make the stone tools have sharp edges, producing a "sharp wedge" effect. In the Neolithic Age, the stone tools used by the primitive people were all polished and the surface was fine and smooth.

What products are pc plastic granules used for:

① Hand sanding tools. Manual grinding is mainly carried out by wrapping wood blocks (rubber blocks) with emery cloth or wrapping wood blocks (rubber blocks) with emery paper. Wood block coated with emery cloth is mainly used for dry grinding putty layer, while water sand paper coated with rubber block is mainly used for water grinding fine putty and paint film of intermediate coating.

Dalian Yongwang precision coating Co., Ltd. will display at the 2019 annual meeting, accompanied by ten years. Thank you!

What are the reasons for bubbles during self spraying:

Dalian metal plastic spray paint is caused by insufficient shaking before spraying and uneven mixing of paint liquid; Spray paint continuously, and do not stop after the previous spraying.