He' nan province fanxian Pucheng town oil production No.2 factory
No.3 Oil Production Plant in Guyun Town, Shenxian County.
No.4 Oil Production Plant in Xuzhen, Puyang County, Henan Province.
No.5 Oil Production Plant, Donghuan Road, Puyang City, Henan Province
Shandong province dongming county oil production No.6 factory
Qingfeng county Mazhuangqiao Town Drilling Company No.1, Henan Province.
He' nan province Puyang Wuyi road west section drilling second company
He 'nan lankao county Drilling Third Company.
Drilling No.4 Company. Wawutou Township, qingfeng county City, Henan Province
Xinjiang Bayinguoleng Mongolian Autonomous Prefecture Korla Tarim Zhongyuan Drilling Company
Southwest Drilling Company of Zhongyuan Oilfield in the Middle Section of Zhongyuan Road, Puyang City, Henan Province
These are the offices of oil production plants and drilling companies. If you still don't understand, please keep asking questions.