河南省沈丘县科协宏光科技有限公司，利用废旧报纸、书刊生产环保无木铅笔，在小小的铅笔领域写出了大市场。 铅笔虽小，却属重复消费品，需耗用大量的木材，针对国家天然林保护工程实施后，木材产量计划急剧下调，国内铅笔生产企业出现所需锻木原材料短缺，生产成本大幅度提高 Shenqiu County, Henan Province, CAST Hongguang Technology Co., Ltd., the use of waste newspapers, books and magazines to produce environmentally-friendly wood-free pencils, write a big market in the field of small pencils. Although the pencils are small, they are repetitive consumer products, which consume a lot of wood. After the implementation of the national natural forest protection project, the plan of production of timber dropped sharply. As a result, the shortage of raw materials for the domestic pencils required by the domestic pencil manufacturers resulted in a substantial increase in production costs