2021 new hanging neck refrigeration and heating instrument bifunctional intelligent constant temperature heating cooling machine

our features1. competitive price more quantities, more discount.2. fast delivery shipment within 1-10 working days after order placed.3. excellent quality superior fabric, dedicate craftsmanship, accurate measurement complete qc system.4. full refund unconditionally for any quality issue full refund will be honored return delivery cost will be our responsibility. condition single opp bag pack. proceeding time within 3-7 days, delivery way: epacket/ems/dhl/ups/china post/aramex/dpd/jcex, etc.