Carter 600KW diesel generating set

 Supply of microcrystal iron core

 Jinan road surface patching adhesive

 Abradant, polishing agent and gloss agent

 FKN12-12R 630, Shanghai Changdian FN12-12 630

 75W electrical machine soft starter

 ISMET single-phase transformer

 CSB accumulator, GP12260 maintenance-free battery

 PC board

 Supply of high-temperature resistant magnet, square magnet, strong magnet for fine steel door