Buried sewage treatment equipment is a modular and efficient biological wastewater treatment facilities, is a biofilm in order to purify the body of biological wastewater treatment system, give full play to the anaerobic biological filter, contact oxidation bed biofilm reactor It has a biological density, high tolerance, low power consumption, stable operation, easy maintenance features, so the system has a very broad application prospects and promotional value. 4.28 For more information, please visit www.sdsongfeng.com