• All unpaid invoices issued by Luminex prior to February 28, 2023 should be paid to Luminex.   

• If you received an invoice from Luminex for Amnis or Guava branded products after February 28, 2023, please contact orders@cytekbio.com; if you are located in Europe, Middle East or Africa, please contact customerserviceemea@cytekbio.com.
• For all Amnis and Guava branded products shipped after February 28, 2023, you will receive an invoice from Cytek. For information on how to set up Cytek as a vendor, please contact your sales representative or orders@cytekbio.com; if you are located in Europe, Middle East or Africa, please contact customerserviceemea@cytekbio.com.   
• If you have already established Cytek as an approved vendor for Cytek branded products, you can use your existing Cytek vendor information for purchases and payments for Amnis and Guava branded products.

If you purchased products from a distributor, please reach out to your distributor directly.