Tongchen Electromechanical Technology Filter Equipment Co . , Ltd . is a professional company integrating the development , design and production of filter filter manufacturing equipment . Located in the beautiful Pearl City of Bengbu . It is an important transportation hub , densely populated , cultural ancient city , and industrial base . The main products are origami equipment , rotary machines , diesel engines , assembly equipment , large air filter production equipment and purification industry without partitions and partition . The company will further develop advanced , practical and efficient models to the actual production in the , lead the domestic trend , pay to international trends , and make due contributions to the filter and filter industry in China and the world . We put product quality and service first , which is the key factor that makes your brand more competitive in the global market . Tongchen Technology will be your most reliable supplier of mechanical solutions in China . suppliers , partners and friends , we are always ready to establish a long - term business relationship with your company . A warm welcome from all over the world .