ESS Komersial & Perindustrian C&I ESS ESS mudah alih Penjana Diesel ESS X250KT Standard AS Euro-Standard Piawaian AS Piawaian Euro Piawaian AS Piawaian Euro C&I ESS|ESS mudah alih|Penjana Diesel ESS Penjana Diesel ESS - X250KT Standard AS Euro-Standard Piawaian AS Piawaian Euro Piawaian AS Piawaian Euro