濟南正德科貿有限公司成立于1998年，主要致力于新技術，新型設環保設備的開發和應用和推廣。目前主要致力于純凈水設備過濾，罐裝包裝等，另外又開發了新型的環保鉛筆設備，利用廢舊報紙再利用，保護了環境，適應了時代的潮流。目前正在申請國家食品添加劑固化法專利。

Jinan Zhengde Science and Commerce Co., Ltd. was established in 1998, mainly dedicated to the development and application of new technology, new equipment and the promotion of environmental protection equipment. At present, we are mainly committed to pure water equipment filtration, can packaging, etc. In addition, we have developed new types of environmentally friendly pencil equipment, using waste newspapers for reuse, protecting the environment and adapting to the trend of the times. At present, we are applying for the national patent of food additive curing method.