Beijing permanent stone Petro-chemical co., Ltd. (referred to as h-stone oil), Beijing Petroleum Exchange (the Northern oil) 25th Member, main oil spot, four 93# liters and tons of gasoline in two ways. h-stone headquarters is located in the business district, Chaoyang District, Beijing sanyuan bridge, location advantages. a registered capital of 20 million Yuan, the strength of the company is a strong ability to resist risks (Group companies have oil-linked (Beijing) petroleum chemical industry co., Ltd., North oil main gas card business strategy partner, Yu of Tianjin exhibition of precious metals co., Ltd., Tianjin Exchange 112th member of precious metals, precious metals. the constant rocks team leaders in the financial sector with many years of practice and experience in managing a team, members of high quality, all are experienced practitioners in the financial industry. the h-stone oil was launched on February 14, 2014 North oil refined oil business first, since the business of the company, in this process, continually optimize service, meet the actual needs of partners and investors and cooperation process to get approval, we will always adhere to the investment for your escort, wealth sharing with you hand in hand, to franchisees and investors ' interest in the first place.undefined。