FAQ

Q Are You Manufacturer Or Trade Company?

we are professional optical transmission product manufacturer in china
Q Can You Recommend Some Products That Best Meet My Demands?

Yes, we can make solutions and configurations for you depending on your service requirements.
Q How Can We Pay?

We accept T/T, L/C and Paypal. Normally we suggest T/T.
Q When Do You Ship Out The Products ?How ? What'S The Shipping Cost?

We ship out products 5-10 working days after receipt of payment.
We cooperate with forwarders and Express companies: FEDEX, TNT, DHL, UPS
The shipping cost depends on the weight and size. also, we support customer cooperate shipping agents.
Q What'S Your Warranty And After-Sale Services?

Our products have 3-year warranty. Our technical team can help with the installation of equipment by remote assistance. Also, they might go to your country to help with technical problems if necessary.
Q Does SINTAI Do OEM&ODM?

Yes. We accept OEM&ODM
Q What Certificate SINTAI Have?

we have passed ISO9001, CE, ROHS, and so on.
Q SINTAI OTNS8600 Series Support 1U, 2U, 5U?

Yes, our OTNS8600 series have 1U, 2U, 5U, 1U support 4 slots, 2U support 8slots, 5U support 16slots.
Q SINTAI Only Support WEB Management ?

SENTAI support WEB, SNMP, B/S management
Q What Services Type SINTAI Can Do?

SENTAI supports 1G, 10G, 25G, 100G, 200G now, SENTAI will support 400G in the future.
Q If SINTAI Can Do CWDM Service?

SENTAI support CWDM and DWDM service, it depends on customer project details.
Q What Is Longest Distance SINTAI Coherent Solution Can Support?

SINTAI have 100G and 200G coherent solution. Max, we can support 1200km with 100G or 200G service.