... treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High precision, Quality materials, Long lifetime, Short delivery timeEquipmentCNC precision ... of Japan, FLOW3D.v9.2 of America, etc.Quality certificationUKAS & SGS ISO9001:2008AdvantageQualityInsist on making every detail ... positive teamPlastic injection parts for DC auto air conditioner. dc auto air conditioner