Breakers series products of MAIN Co., Ltd sell well in Europe, America, Southeast Asia and Middle East regions. The products have good performance, simple operation and reliability, which win high reputation. MAIN has been appraised as Outstanding Enterprise by Korea Enterprise Bureau for years and achieved many technology patents.

Pass KT(Korean Technology Standard) in 2000; pass ISO in 2001; pass CE(European Standard) in 2002; pass the TUV (Germany Technology Standard) in 2003.

　　
Yantai Hongda Construction Machinery Co., Ltd became the China general agent of MAIN breakers in 2004. With our professional techniques, we provide technique consult, installation, service and maintenance for all the customers day and night.

With the tenet of Perfect Quality, Excellent Credit, First-class Service, we make good efforts to develop together with both new and old customers to create a brilliant future.