184961
It offers natural gas through a network of approximately 120 kilometers of high pressure pipelines and sells compressed natural gas as vehicular fuel through a network of filling stations in Shaanxi and Henan provinces .
 Shaanxi, Henan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Shaanxi, Henan