4WE10B31/OCG24NZ5,4WE10B31/OCW220RNZ5,4WE10B31/OCW220NZ5L,4WE10B31/OCG24NZ5L, 4WE10B31/OCG24NZ5,4WE10B31/OCW220RNZ5,4WE10B31/OCW 无锡市昌林自动化科技有限公司