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The denatured pencil board and the original domestic baking method imposes harsh demands on material varieties, invention patents, is against characteristics of domestic resources, uses cheap non-toxic pharmaceutical and the process equipment selection of "multi-purpose pot". The invention makes use of low-grade plates to improve timber utilization by 5%, improving exported pencils by a grade, and has an annual income of 25 million yuan / 10 million baskets. Compared to the baking plates method, this method can save 1-2 million cubic meters of timber, coal 50% and power by 10% every year, and can also reduce the cost of production by 10-20%. The process is also beneficial to the protection of natural resources and the environment and therefore has significant economic and social benefits.