三河市位于廊坊市北部，北京以东，与首都仅一河之隔，人称首都“东大门”、“近郊县，是河北省林业重点市（县）。第四期世行贷款林业持续发展项目三河项目区共规划造林１８２９．１公顷，利用世行贷款额度为２７８．５２万美元，用贷规模居各项目县之首。四期世行项目的启动? Sanhe City is located in the north of Langfang City, east of Beijing, and the capital just across the river, known as the capital “Dongdaemun”, "suburban counties in Hebei Province is the focus of forestry (county) .Fourth World Bank loan forestry sustainable development project The Sanhe project area has a total planned area of ​​1,829.1 hectares of afforestation with a loan quota of 2.7852 million U.S. dollars from the World Bank and the first of its kind in the project counties.