... by ISO9001, SGS and CNAS.Top 10 Global Net-entrepreneursWith 13 years experience&advanced tech, we have won the trust from ... form: Operating FrequencyChips AvailableLow Frequency(125KHz)EM4200, TK4100, T5577High Frequency(13.56MHz)NXP Mifare S50(1Kb)/ NXP Mifare S70(4Kb )/ Mifare ... , etc Chuangxinjia offers a very broad range of products included custom made Smart cards-Mifare, M1,IC card, ID card,S50 ...