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| Used for SULZER | AL20/24 | 200 |
| Used for SULZER | AL25/30 | 250 |
| Used for SULZER | ATL2V30 | 250 |
| Used for SULZER | 40/48 | 400 |


High technology guarantee:

B. Heat treatment technics:
Using automatic heat treatment line for quenching and tempering treatment,
the use of koil for quenching medium to ensure quality of heat treatment.
c. Surface treatment technology:
Chromium ceramic composite coating.
By plating the piston ring outer face plated layer 0.1mm~0.4mm containing
ceramic powder (nano AL2O3 or Sic) of the chromium layer.

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