Refining and petrochemical production; manufacturing and sales of petroleum products, lubricants, chemical products, basic chemical raw materials, synthetic materials, and specialty chemicals; wholesale of refined oil; sales of coal and related products; storage of refined oil and general cargo; pipeline transportation of oil, natural gas, and land pipelines; road and rail transport (including hazardous goods); port operations; production and supply of water, electricity, and heat; hazardous waste management; import and export of toxic chemicals, goods, and technology; engineering management; technical services; sewage treatment and recycling; solid waste treatment; leasing of machinery, equipment, storage facilities, real estate, and land use rights; information consulting services.
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Refining and petrochemical production; manufacturing and sales of petroleum products, lubricants, chemical products, basic chemical raw materials, synthetic materials, and specialty chemicals; wholesale of refined oil; sales of coal and related products; storage of refined oil and general cargo; pipeline transportation of oil, natural gas, and land pipelines; road and rail transport (including hazardous goods); port operations; production and supply of water, electricity, and heat; hazardous waste management; import and export of toxic chemicals, goods, and technology; engineering management; technical services; sewage treatment and recycling; solid waste treatment; leasing of machinery, equipment, storage facilities, real estate, and land use rights; information consulting services.