The ISO/IEC9126 software

quality model has been adopted by China's national standards
GB/T16260 - 2002 Information Technology Software Product Evaluation Quality Characteristics and Guidelines for Their Use. 2.8 Software Process Improvement Software Process Capability Maturity Model (CapabilityMaturityModel, CMM) and Capability MaturityModelIntegration ( CapabilityMaturityModelIntegration, CMMI)