| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF | 
			| SY/T 6420-2024 | English | RFQ | ASK | 3 days [Need to translate] | (Technical specification for energy saving in oilfield surface engineering design) | Valid | SY/T 6420-2024 | 
			| SY/T 6420-2016 | English | 329 | Add to Cart | 3 days [Need to translate] | Technical specification of energy conservationfor oil field surface engineering design | Valid | SY/T 6420-2016 | 
			| SY/T 6420-2008 | English | 559 | Add to Cart | 3 days [Need to translate] | Technical specification for design of energy conservation for oil field surface engineering | Obsolete | SY/T 6420-2008 | 
			| SY/T 6420-1999 | English | 639 | Add to Cart | 5 days [Need to translate] | Technical specification for design of engrgy conservation for oil field surface engineering | Obsolete | SY/T 6420-1999 |