| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| CB/T 4521-2022 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Regulations on Safety Management of Industrial Pipelines and Gas Rubber Hose of Enterprises in Shipbuilding Industry)
| Valid |