国产操逼视频,无码人妻AV免费一区二区三区 ,免费a级毛片无码无遮挡,国产精品一区二区久久精品

Establishedin2006,Dr.Batteryisspecializedinthedevelopmentandproductionofmilitarybattery,mobilebattery,chargerandtheaccessories.Thecompanyhasgatheredtheseniorprofessionalsintheprimary&secondarybatteriesincludingLi-ion,NiMH,NiCd,Alkalinebatteriesandelectronicsindustry,equippedwiththeadvancedR&DandproductionprocessisinstrictaccordancewithISOinternationalqualitycertificationsystem,withtechnologycontinuouslyinnovated.Engineeringdepartmenthas3teamsofengineerstosupportourcustomers.Theyaremechanicalteam,electronicdesignteamandprocessdesignteam.Professionalengineeringteamsworktomakesurethedesignandproductionwithahighqualityandlowestpossiblecosts.Duringthedevelopmentprocess,ourengineersworkstrictinaccordancewiththedesignprocedure,makingvalidationandreviewduringvariousstagesofthedevelopmentprocessandeffectivelyguaranteetheproductquality.