Hi Our company is a leading fiber passive component manufacturer, we have sales department in Hong kong and factory in mainland. All of the products have passed strict Telcordia reliability tests, ascribed to our excellent quality control and competitive price, our products have won a good reputation both at home and abroad. Following please find our main products for your reference. The main products is as following: 1. PM products (Circulator, Isolator, Coupler, PMTIWDM, IPBC/S, PM Patchcord etc.) 2. High power products (850nm/980nm/1064nm high power Isolator) 3. Optical Circulator 4. Optical Isolator 5. Optical Coupler 6. FWDM 7. CWDM 8. DWDM 9. Patchcord 10. PLC 11. Others (PBS/PBC, Polarizer, Collimator, Faraday Mirror, Isolator Core, Free space Isolator, Attenuator, Adaptor)