1) Characteristics: Germany etc. Advanced technique & wear proof & high temperature resistant etc. 2) Different Treatment: Piston roof MOS2 spraying, Piston roof anodizing, Pisotn with Graphite Sprayed, Tin coating piston, phosphating piston etc. 3) Develop the new items according to the sample or product draft. YANMAR4TNE944TNV943TNE84CUMMINSQSB8.36CT8.3NH2204BT3.9DAEWOOD2366TD2848TDE12THINOH07CTH07DEP100DS50DS70EH700EF550J05EJ08EVOLVOD60TD71TD70DEUTZBF4M1013BF6M1013BF6M1015TOYOTA1B2B3B2Z2DZ