Service & support
Everything that happens after you click buy — shipping, returns, warranty, payment and the factory behind the parts.
Shipping & Delivery
Orders placed before 16:00 GMT+8 on business days ship the same day from the nearest warehouse. Free shipping to the US and EU on orders over US$ 79.
- US and EU local warehouses for 3-day regional delivery
- DHL, FedEx, UPS and tracked postal options at checkout
- Consolidated shipping for mixed SKU orders
- Real-time tracking link sent by email
Return Policy
30 days from delivery to return any standard catalog item, no restocking fee on unopened packaging.
- 30-day return window on standard items
- No restocking fee if packaging is unopened
- Custom-coded optics are non-returnable unless defective
- Return shipping label provided for defective units
Warranty Policy
Three years of limited warranty on transceivers, DAC/AOC cabling and network systems, covering defects in materials and workmanship.
- 3-year limited warranty on all catalog SKUs
- Advance replacement from local stock where available
- Dedicated RMA engineer assigned to each case
- Lifetime technical support, warranty or not
Payment Methods
Pay the way your procurement process already works, from card checkout to bank transfer with a formal invoice.
- PayPal and major credit cards at checkout
- T/T bank transfer for volume orders with PI
- VAT invoice and packing list provided
- Net payment terms available after credit review
Factory Information
A dedicated manufacturing site with in-house SMT, assembly, coding and test, supporting both catalog volume and custom-coded builds.
- In-house SMT, assembly and laser welding
- 100% coding and compatibility test before packing
- ISO 9001 quality management system
- OEM and ODM programs with custom labelling
Talk to an engineer, not a script
Link budget, coding profile, polarity, RMA — our engineers answer on business days, around the clock across time zones.