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…
Basis, qualified standard and excellent standard for construction quality evaluation of water conservancy and hydropower projects
Talent recommendation of Changsha talent network on October 10 (constructor / general worker / training / Accounting / sales / business
