Bm300s construction elevator variable frequency drive all-in-one machine bm300b is a special model developed for the electric control system of construction elevator, which integrates variable frequency control, logic control unit, lifting weight limiter, brake, etc; It has the advantages of comprehensive functions, stable performance and convenient installation, and can provide customers with high-performance and complete solutions…
Per square meter in single stage of industrial and civil construction: 30 yuan for design, 33 yuan for construction and 27 yuan for operation and maintenance. The reference basis for pricing of BIM Technology Application Services in Hebei Province has been officially released!
