- Pipeline bracket (NX National II) YZ167182100156
- Drawing No：YZ167182100156
- Compressor-condenser high-pressure pipe assembly (NX National II) YZ167182100155
- Drawing No：YZ167182100155
- Evaporator-compressor low-pressure pipe assembly (NX National II) YZ167182100154
- Drawing No：YZ167182100154
- Condenser-evaporator high-pressure pipe assembly (NX National II) YZ167182100153
- Drawing No：YZ167182100153
- Air conditioning pipe fixing bracket (Howo N WP10H cab lowered 80) YZ167182100123
- Drawing No：YZ167182100123
- Pipeline bracket (NX P8 high-efficiency) YZ167182100121
- Drawing No：YZ167182100121
- Condenser-evaporator high-pressure pipe assembly (NJ17 P10H) YZ167182100074
- Drawing No：YZ167182100074
- Evaporator-compressor low-pressure pipe assembly (NJ17 P8) YZ167182100071
- Drawing No：YZ167182100071
- Condenser-evaporator high-pressure pipe assembly (NJ17 P8) YZ167182100070
- Drawing No：YZ167182100070
- Condenser-evaporator high-pressure pipe assembly (NJ17 MC07) YZ167182100068
- Drawing No：YZ167182100068