1.The product is produced in our own factory and we have quality certification and origin certification 2.Regarding delivery time: For warehouses with stock available, it usually takes 3-4 days to ship. For warehouses without stock available, we need to confirm the delivery time with the factory 3.Customized products require additional charges, and we do not cover international shipping costs. We usually ship to your location by express delivery such as UPS or DHL air freight 4.Warranty:1 year 5.Samples are not provided for free,our MOQ is 1 uint. 6.The price is negotiable and not fixed. There will be discounts for bulk orders 7.Please contact me via WhatsApp or email, as we are unable to reply to messages on Stafir 8.Our company is located in Guangzhou, China Please drop youe contact here.Later I will contact you as soon as possible My Whatsapp:+86 158 7654 9609 Email:manager003@podalepump.com