ERP system and OA system. Then we can:1. Reply inquiries to our clients all over the world in 24 hours (working days);.2. Get prepared your goods in 2-3 days;.3. Select the fastest express business and send out the items to you as quickly as possible;.4. Shipment Time: Lead time is 3 or 5 days;.5. Product Service warranty: We have good after-sales services.