S2BJ-02-04WD,S2BJ-04WD,S2BJ-06WD,S2BJ-08WD,S2BJ-12WD,S2BJ-16WD,S2BJ-20WD,S2BJ-2 S2BJ-02-04WD,S2BJ-04WD,S2BJ-06WD,S2BJ-08WD,S2BJ-12 无锡市昌林自动化科技有限公司