Dongying Kangsen Stempulp Co., Ltd. is a source of Beijing foundation Automation Institute of Technology and Dongying City Kangsen Industry and Trade Limited Company is a new joint-stock technology company. The main export markets are Europe and America. We comprehensively enhance the economic value of crop waste straw. Product Features Eco-friendly, harmless, healthy. We use natural plants as raw materials. We bury the residue which will decompose into organic fertilizer in three ...