Place of Origin : Huzhou,China

The preferred size of the nominal diameter of the conductor diameter conductor shall comply with the R20 number system in GB/T321-2005.
The temperature index for the extrapolated life of 20000h is only for unimpregnated enameled wire samples, not as part of the insulation system.
https://www.fd-enameledwire.com/product/aluminum-enamelled-wire/qzl-2-155-polyester-enameled-aluminum-round-wire.html