| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF | 
			| GB/T 50856-2024 | English | RFQ | ASK | 3 days [Need to translate] | (General Installation Engineering Quantity Calculation Standard (with clause explanation)) | Valid | GB/T 50856-2024 | 
			| GB 50856-2013 | English | RFQ | ASK | 3 days [Need to translate] | Standard method of measurement for general building services works | Valid | GB 50856-2013 |