主(Zhu) (?)营(Ying)
分(Fen)板(Ban)机(Ji),PCB分(Fen)板(Ban)机(Ji),PCBA分(Fen)板(Ban)机(Ji),LED分(Fen)板(Ban)机(Ji),
LED显(Xian)示(Shi)屏(Ping)分(Fen)板(Ban)机(Ji),灯(Deng)条(Tiao)分(Fen)板(Ban)机(Ji),铝(Lu)基(Ji)板(Ban)分(Fen)板(Ban)机(Ji),
线(Xian)路(Lu)板(Ban)分(Fen)板(Ban)机(Ji)。(?)