China https://chemreg.net/regulations/Environmental/Biotechnology/China https://chemreg.net/@@site-logo/ChemReg.png Technical Specifications for Wastewater Treatment by Biological Contact Oxidation Process(HJ 2009-2011)(Chinese) Technical Specifications for Wastewater Treatment by Membrane Biological Process(HJ 2010-2011)(Chinese)
Technical Specifications for Wastewater Treatment by Biological Contact Oxidation Process(HJ 2009-2011)(Chinese)
Technical Specifications for Wastewater Treatment by Membrane Biological Process(HJ 2010-2011)(Chinese)