| 21. | Code for construction and acceptance of industrial boiler installation engineering
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| 22. | Code for construction and acceptance of crusher and mill equipment installation engineering
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| 23. | Code for construction and acceptance of battery electric equipment installation engineering
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| 24. | General code for construction and acceptance of mechanical equipment installation engineering
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| 25. | The check and evaluate standard for quality of parcel sorting machine installation engineering
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| 26. | Code for construction and acceptance of continuous conveyer equipment installation engineering
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| 27. | Standard for hand - over test of electric equipment electric equipment installation engineering
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| 28. | Code for construction and acceptance of cable levels electric equipment installation engineering
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| 29. | Design and implementation of borehole blasting for siphon installation engineering in waterworks
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| 30. | Code for construction and acceptance of earthed device electric equipment installation engineering
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