The address "中国(云南)自由贸易试验区红河片区河口县河口镇北山社区会展中心1号馆4楼" can be translated into English as follows:
**Address:**
4th Floor, Hall 1, Convention and Exhibition Center
Beishan Community, Hekou Town
Hekou County, Honghe Prefecture
China (Yunnan) Free Trade Pilot Zone