11.2Gbps Channel Bandwidth 40G QSFP+ IR4 , 2km Duplex LC SFP Module 1310nm

3. Certificate

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.

5. After-sales service. 
a. From the beginning of production till the successful delivery, we will track on time and post you the status.
b. When the goods arrived, if you have question after inspection, please feel free to contact us, we'll provide solution.

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.