ER4 40km 1310nm 100G QSFP28 Transceiver For BASE-ER4 Ethernet Links

1. Warranty
Five years Warranty, three monthes free exchange and one year free repairing.
2. OEM, ODM are welcome.
3. Free sample will be provided.
Free samples under a certain value are available,with freight cost collect.
4. Any Inquire is welcome.
Any inquire will be replied within 24 hours.

Q: What payment terms do you accept?
A: T/T,L/C at sight,Western Union are acceptable. Other payment terms are negotiable.
Q: what is the lead time?
A: For standard products,we keep enough stock,cqn ship out in 1-3 days after PO confirmation.For big quantity and special products,Please check lead time with our sales representative.
Q: What are the shipping ways can you offer?
A: For small quantity we ship by Express like DHL,FedEX,TNT,UPS, EMS etc. For large quantity we can use airshipment ot other appointed method by clients.
Q: How to place an order?
A: 1> Confirm order details with our sales representatives.
2> Proforma Invoice confirmed, the order will be arranged upon receipt of your payment.
3> Confirm shipping details and dispatch goods, tracking number will be sent to you promptly after the shipment is picked up.
4> We will help to track your goods until you receive them safely.