Our company will stock up on some standard products to help our customers shorten delivery time and even ship on the same day. The usual service for single production, we have ERP system to manage supply chain and delivery. Normally, the delivery time we promise is the date of shipment from our factory. Our main manufacturing facility is located in Shenzhen, China. It's only 15 minutes from UPS and FedEx's Asia Logistics Center at Shenzhen airport.