onghao(HK) International Co., Ltd., a comprehensive enterprise, is mainly engaged in international trade. It has a design and R & D team, and a building material factory in the Mainland China-windows and doors factory,it started in the early 1990s,we have more than 20 years experience of manufacturing and installation of windows and doors,we have the world-class manufacturing equipments and a modern manufacturing workshop of over 30,000 square meters,we have become a high quality,high-capacity prefessional suplier of windows and doors systems. According to the plan, in the next 5-10 years, all the products involved in the main trade business of the company will be produced by its self-owned...

主要产品/业务: Aluminum window and door,Broke bridge heat insulated aluminum window and door,Aluminum-clad wood window,Wood window and door,PVC window,Energy-saving window