FAQ Q 1: What's the function of VFD? A 1: VFD control the speed and frequency of motors, which is widely used in industrial control, automation system and pump system. Q 2: What's the quality of VFD? A 2: VFD passed IEC test and has CE certificate. Each piece of VFD will have 4 testing before delivery, follow ISO 9001 standard. We offer high quality VFD. Q 3: What's the delivery time? A 3: Please contact our sales person and tell us your demand, we will tell you the delivery time. Q 4: How to choose suitable VFD for my machine? A 4: Please send us your machine details, we will provide you most suitable model type. Q 5: Do you support OEM service? A 5: Yes, for some items we have MOQ. For more questions, feel free to send us inquiry! 6. Q: How to order ? A: Step 1, please tell us model name or link and quantity you need; Step 2, then we will make a PI for you to confirm the order details; Step 3, when we confirmed everything, can arrange the payment; Step 4, finally we deliver the goods within the scheduled time. 7. Q: When will make delivery ? A: Delivery time -Sample order: 1-3 days after receipt of the full payment. -Stock order: 3-7 days after receipt of the full payment. -OEM order: 12-20 days after receipt of the deposit. 8. After-sales Service 1 year warranty for all kinds of Inverter; If you find any defective accessories after receiving the goods, please contact us at once. we will give you the new parts for free to replace in the next order after confirmation, as an experienced manufacturer, you can rest assured of the quality and after-sales service. ( Please refuse to sign if the goods package in broken situation ) 9. What services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,Express Delivery； Accepted Payment Currency:USD,EUR,CAD,AUD,HKD,GBP,CNY; Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash,Escrow; Transportation: DHL, UPS , EMS, FedEx, TNT, Air freight , Sea freight, Train way.