1)ISO9001,ROHS 2)As manufacturer ,have high quality low price 3)15 years Professional Technical 4)warranty period:18months 1)ISO9001,ROHS2)As manufacturer ,have high quality low price3)15 years Professional Technical 4)warranty period:18months5)good after-sale serviceFeaturesElectrically-isolated chip and baseboard AC2500VSealing package according to internationalStandardFull crimping structure, ...