Papermaking technology is one of the four great inventions of ancient <st1:country-region w:st="on">China, and an outstanding achievement in the Adventure of Humanity. More than 2000 years had passed, west Yandan Zeya west coast of Wenzhou, there still have a dozen of villages continue to use ancient paper making skills- Zeya screen paper! The paper making site of Ming Dynasty-Siliandui still existing here, people in Ming Dynasty wanted to make the best use of water resource, along the river they built 4 Shuidui, make the bamboo to be bamboo floss. Duifang have two groups, the fist group, three Duifang get together; the second one Duifang and Zhifang get together make it easy to consecutive operate.