COMPANY PROFILE
              1978	Tong Chuan established, began manufactures all serial of Fixed terminal blocks, combination terminal blocks.
1982	Make all serial of 10A, 30A fuse base.
1984	Make all serial of Hoist push button switch, power press-retaining switch.
1985	Make all serial of pilot light.
1985	Make all serial of Buzzer & Alarm.
1986	Make all serial of 22mm、25mm、30mm push button switch, selection switch.
1986	Make all serial of 22mm、25mm switch box.
1987	Make all serial of Foot switch.
1989 	Make all serial of cam switch.
1990	Make all serial of relay socket
1993 	Develop and make all serial of double-layer terminal blocks with CE cover (Patents)
1995 	Develop and make all serial of Warning Light
1996	Develop and make all serial of Snap switch (Patents)
1998	Develop and make all serial of Short-Circuit terminal
            

