As company who produces doors and door frames - established on October 2001- JungHwa has

developed variable(adjustable) assembly prefabricated door frame. We obtained domestic patent as

well as international and was awarded NEP(New Excellent Product) and NET(New Excellent

Technology) certificate.

Our main products are HICAF(Highest Construction Art Frame) which places doors in the center of

door frame and NTF(New Technology Door Frame) which is jamb-in-one variable(adjustable)

prefabricated door frame.