导，响应国家号召。公司科研人员经过 10 多年的潜心研究
Jinan Zhengde Science Commerce Co.Ltd. is guided by the market demand, responding to the call of the country. After more than 10 years of research and practice, our scientific researchers have developed a pencil and 36-color lead production line using waste newspaper instead of wood.
This equipment has advanced technology, simple operation, high production efficiency, small
This equipment operate simply and product efficiently. Besides, it covers an area of small, consume low electricity, and has advanced technology, which greatly reduces the production cost of pencils and colored pencils.
It greatly reduces the production cost of pencils and colored pencils!