1、 Understanding Colorful Lead1 MaterialFirstly, it should be recognized that colored pencils are a semi transparent material, and their manufacturing is significantly different from sketching penc...

Enterprises are the main body of economic development, and if they are prosperous, the economy will prosper. In order to promote the transformation and upgrading of Qingyuan bamboo and wood enterpr...

1. Industrial Economic Development Award First Prize: Huangtian Town Second Prize: Mengzhou Street...

Recently, the cadres of the Industrial Park Economic Development Bureau went to Aitejia, Jinhui...

1. The classification of pencils is based on the amount of graphite in the refill Generally divided into H...

Colored pencils are made by mixing pigments or dyes with wax and other powders.