Authorized Wholesale Dealer, A2= auto-thread trimmer single needle lockstitch machine 1, A2S= fully UBT single needle lockstitch machine , A3= High speed computerized lockstitch machine , A4= Speaking computerized lockstitch machine , A5= thread cleanness computerized lockstitch machine 1, A5-W= Semi-dry thread cleanness lockstitch machine, A6F= computerized needle feed lockstitch machine, C3=High speed automatic overlock machine, C4= full automatic overlock machine, C5(Electric)= light and heavy quick adjustible automatic overlock machine, E3=E3= power saving overlock machine 1 power saving overlock machine 1