1. Waste water:  Daily capacity for 120mt sewage treatment plant was bulit in 2012, and also install an online monitoring system for chemical oxygen demand. Ammonia nitrogen online monitoring system was setup in 2017. These two systems are connected with Deyang environmental protection bureau platform.
2. Waste gas: (Acid base washing + activated carbon adsorption) 3 sets organic waste gas treatment system was installed In 2016. Establish an environmental protection management system, which the operation and maintenance management of pollution control facilities shall be carried out by special personnel, and the facilities and equipment should be in normal operation.