Quick Answer: China-based manufacturers and suppliers worth comparing for solar PV DC surge protection include BENY, Prosurge, THOR Electric, USFULL, HONI Electric, CHAYO, TOSUNlux, GEYA, MOREDAY, and ETEK Electric. BENY is a practical first candidate for specification-driven projects because its named BUD range covers 600V, 1000V, and 1500V Type 2 and Type 1+2 options, including products for combiner-box and inverter-side protection. No brand is suitable for every PV design, and a voltage label alone does not establish compatibility. Buyers should verify the exact ordering code, Ucpv, SPD type, In, Imax or Iimp, Up, short-circuit behavior, certificate scope, installation conditions, and…