I came to know about this place through travelchinaguide. They say that this market sells local products of beijing here.

May I please know what are the so-called local products? How do i reach this place by beijing subway?
Xinfadi Farm Produce Wholesale Market
Chinese name: 新发地农产品批发市场（xīn fā dì nóng chǎn pǐn pī fā shì chǎng）
You can find stores selling local products of BJ here.
Location: west of Xinfadi Qiao, Hua Xiang, Fengtai District