TAG：Petroleum

Jining Xieli Special Gas Co., Ltd., founded in 2000, is a high-tech enterprise

Wafangdian Yuanda bearing Manufacturing Co., Ltd. is located in Wafangdian City,

WuxiSouthPetroleumAdditivesCo.,Ltd.hasbeenproducingtopqualitypetroleumadditivess

JinzhouXinxingpetroleumadditivesCo.,Ltd.isacompanyspecializingintheproductionand

Foundedin1986,DXisanenterprisespecializinginthedevelopmentandproductionofsilicon

JiangsuSkyrayInstrumentCo.,Ltd.isaHi-techcorporationwithproprietaryintellectualp

China National Coal Group Corporation (abbreviation as China Coal Group) is the

China Chengtong Holdings Group Ltd. (hereinafter referred to as “China Chengtong

China Energy Conservation and Environmental Protection Group (CECEP) is a flagsh

Mission: To let China-made large aircraft fly in the blue sky. Vision: To delive

China Tourism Group Corporation Limited (CTG), also known as China Travel Servic