Shandong Dongxin Environmental Protection Equipment Engineering Co., Ltd. was founded in 2009, integrating R and D and sales. Our company covers an area of 60,000 square meters. With our abundant experience and industrious and hardworking staff members, we can meet various requirements from different types of customers. We are mainly engaged in environmental products, including silicon thin film microporous aeration pipes, Jet aerators, valveless filters, aeration bio-filters, V type filters and others. Besides, our company also produces mould products and rubber products. Our products sell well in many countries. We perform quality inspection strictly for each batch of products. We will try our best to serve you and hope to become one of your friends and business partners.