Considering the termal expansion uniformity of product type ,surface coatings are applied to pistons and liners. Coating types are print screen, nitration-oxidation, manganese phosphate, elocsal, stannum/tin plating, iron-phopshate coatings and graphite painting.
Coating method and parameters are selected and applied carefully in order to avoid occurrence of undesired conditions on pistons, increase performance and durability of products. Parameter settings of chemical substances according to coating surface is applied by experts and modern machines to achieve magnificient result of each product.