BEIJING ZHONGKE TECHNOLOGY DEVELOPMENT CO. LTD is also known as YaYa.

YaYa environmentally friendly recycled product enjoys a high reputation in many countries in the world, and this has a close relation to its unique manufacture process and consistent environmental protection consciousness. In the environmentalproduction, YaYa has developed the recycled newspaper pencil, recycled paper ball pen, of molded pulp products and so on, many kinds of environmental office and study stationery.

YaYa believes that, to be responsible for the user means to avoid using and to follow the related standards strictly in the production process. Therefore all the YaYa paper pencil products use the recycled white paper and the machine-test paper of the printing factory, which have been disinfected for production.