we are pleased to introduce ourselves as a leading manufacturer & exporter of all kinds electrical goods along with wide range MAIN SWITCH, CHANGE OVER FUSE UNIT (KIT KAT), MCB BOX, BUS BAR CHAMBER, ROTERY REVERSING AUTOMATIC CHAGNE MCB’s, DOOR BELL, ...

Established in 1997, Shingwang specializes the manufacture of various auto change-over valves. We developed an LPG-electronic type auto-change over valve for first time Korea and obtained two patents it. also high-pressure gas (oxygen, nitrogen, argon) ...