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China National Offshore Oil Corporation and Shell Nanhai BV announced the start up of their second ethylene cracker at their Nanhai petrochemicals complex in Daya Bay, a major petrochemical production base.
China Railway Corp, the country's railway operator, and CRRC have already mastered the technology for producing electric multiple-unit trains with speeds between 200 km per hour and 250 km per hour.
China Railway Rolling Stock Corp, the country's largest rolling stock manufacturer by production volume, is also developing wheel technology-based high-speed trains.
China Tower was established in 2014 to handle the tower assets of the country's top three telecom carriers - China Mobile, China Unicom and China Telecom - with the aim of reducing duplication of construction and expenditure.
China Mobile will build 50,000 5G base stations nationwide in 2019, providing commercialized 5G services in over 50 cities and the services will be provided in all cities at and above the prefectural level by 2020 , according to Yang.
来源：资阳报