1978 circuit industrial co. Ltd. Established in an-ping industrial park.



1995 development one established, and invented self-fusing waterproof rubber tape and cool light related products.



1997 purchased production equipment for self-fusing waterproof rubber tape and insulation rubber tape



1998 development two invented photo-catalyst related products



1999 development two invented vehicles and house specialized mini foam fire extinguisher



2000 applied ISO 9001 certification



2001 obtained ISO 9001 certification



Granted self-fusing waterproof rubber tape supplier from taiwan electric power company



2002 self-fusing waterproof rubber tape passed sgs non-toxic examination.