| 3914.00 | | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: | | | | |
| 7304.31.60 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.39.00 | 02 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: | | | | |
| 7304.41.30 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.41.60 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.49.00 | 45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.51.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: | | | | |
| 7304.59.20 | | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | | Free | | 35% |
| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg | | | |
| 7306.40.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 8402.90.00 | 10 | Heat exchangers | t | | | |
| 8415.83.00 | 50 | Heat exchangers including condensing units: | | | | |
| 8419.50.10 | 00 | Brazed aluminum plate-fin heat exchangers | No. | 4.2% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8419.60.10 | 00 | Machinery containing brazed aluminum plate-fin heat exchangers | No. | 4.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8457.10.00 | 15 | With automatic tool changers: | | | | |
| 8483 | | Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: | | | | |
| 8483.40 | | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters: | | | | |
| 8483.40.30 | | Gear boxes and other speed changers: | | | | |
| 8483.40.30 | | Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation: | | | | |
| 8483.40.30 | 40 | Fixed ratio speed changers | No. | | | |
| 8483.40.50 | 10 | Fixed ratio speed changers | No. | | | |
| 8483.40.70 | 00 | Other speed changers | No. | 25￠/each + 3.9% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | $4.50 each + 65% |
| 8483.90.50 | 00 | Parts of gearing, gear boxes and other speed changers | X | 2.5% | Free (A,AU,B,BH, C,CA,CL,E,IL,J, JO,MA,MX,P, SG) | 27.5% |
