Top Industrial Company Limited is a professional wiring manufacturer since 1984 and expanded a fully owned brand new factory in Guanlan Town, Boan District, Shenzhen City, China in 1991, obtained UL and CUL Approval Certificate no. E177135 and E184488 in 1997, obtained ISO-9000 Certificate in 2000. From 2000, Top was awarded into some International Great Automobile Approval Supplier.