Our minimum order quantity for OEM/ODM transdermal patches is 10,000 pieces per design. We offer flexible production volumes to meet both small-batch prototyping and large-scale commercial production needs.Standard production lead time is 25-35 days after sample approval. For custom formulations or packaging, it may take 35-45 days. We offer expedited services for urgent orders.KONGDY is FDA registered, CE certified, and ISO 13485:2016 compliant. Our 20,000 sqm facility in Zhoukou, Henan operates under strict quality management systems to ensure product safety and consistency.Yes, we have a dedicated R&D team with 35+ years of experience in transdermal patch technology. We offer complete formulation development services including active ingredient selection, adhesive optimization, and stability studies.We offer comprehensive packaging solutions including foil pouches, blister packs, retail boxes, and custom printed packaging. Our in-house design team can help create brand-aligned packaging.Yes, we provide sample production services for all OEM orders. Sample lead time is typically 7-10 days. Sample costs can be refunded upon bulk order confirmation.We accept T/T (30% deposit, 70% balance before shipment), L/C, and PayPal for samples. For established partners, we offer flexible payment terms based on order volume.We export to over 50 countries worldwide, including USA, EU, Middle East, Southeast Asia, and South America. Our logistics team has extensive experience in international shipping and customs clearance.