RUX is using all qualified fiber, including single mode G652D, G657A1, G657A2, Multi mode OM1 OM2 OM3 OM4.
The fiber we use is mainly from famous brand in China, including YOFC, Fujikura, Fiberhome, Futong, Corning and so on.
The fiber brand can always be requested. We supply what the customer ask.
We test the attenuation of the fiber when we receive the fiber, after the color of the fiber and before we ship out. Only qualified cable will be shipped from our factory.