Freedom (Zhengzhou) Industrial Co., Ltd. Is the most powerful manufacturers of radiators of copper waterways. Freedom is strong in production technology is recognized by the Ministry of Construction, "China's new R & D base radiator"; Freedom is "convection-style brass radiator production standards in China" and "copper-aluminum compound radiator production standards in China, " Participation compilation units; Construction Standing Committee on heating radiator; China Construction Metal Structure Association; the company president is heating radiator, Henan Province, executive vice president of the Commission. Freedom radiator has passed ISO9001: 2000 international quality system certification; and through the national Ministry of Construction, ministry-level appraisal, expert opinion that "Freedom's technology has reached the international advanced level. "