Shenzhen Huaxunneng Technology co.Ltd established in 2009 We are manufacturer specializing in laptop ac adapters ,LCD adapter universal ac adapter , laptop batter power bank . brs more we have strictly quality control from IQC to Every production process.Our 20-member QC team use professional machines and make sure good quality all the time. All products are approved by CE FCC ROSH GS SAA and each process are strictly following the ISO-9001.,brwelcome to join us >