Shanghai SECCO Petrochemical Co., Ltd. is a limited liability company established with capital contributions from Sinopec Corporation (Sinopec), Shanghai Petrochemical Co., Ltd. (Shanghai Petrochemical), and Sinopec Gaoqiao Petrochemical Company Limited. Its predecessor was a sino-foreign joint venture limited liability company formed by Sinopec, Shanghai Petrochemical, and BP Huadong Investment Co., Ltd., with a total investment exceeding 3 billion US dollars. SECCO possesses large-scale chemical facilities with an annual design capacity of 1.09 million tons of ethylene cracking, 650,000 tons of styrene, 600,000 tons of aromatics extraction, 520,000 tons of acrylonitrile, 180,000 tons of butadiene extraction, 600,000 tons of polyethylene, 300,000 tons of polystyrene, and 250,000 tons of polypropylene. SECCO employs advanced global process technologies to produce ethylene, propylene, polyethylene, polypropylene, styrene, polystyrene, acrylonitrile, butadiene, benzene, toluene, and other by-products. Annually, it supplies more than 3.2 million tons of high-quality, multi-specification petrochemical products that are in short supply domestically. SECCO has established a comprehensive Quality Assurance/Quality Control (QA/QC) system, providing related after-sales services and technical consultations, as well as engaging in polymer application development. SECCO benefits from advanced management concepts and technological advantages, committed to offering superior customer service, timely logistics delivery, and professional technical support. SECCO aims to excel in competition while contributing to social progress. SECCO places significant emphasis on HSSE (Health/Safety/Security/Environmental Protection). We prioritize the protection of our employees and product users, public safety, and health, and environmental conservation. We believe all accidents can be prevented, and that excellent health, safety, security, and environmental performance are critical to our business success. Every individual working for or with us is responsible for achieving our HSSE goals: "No Accidents, No Personal Injuries, No Environmental Damage." To achieve these goals, we commit to preventing harm through continuous efforts; reducing waste, emissions, and flaring, and effectively utilizing energy to minimize operational impacts on the environment and health; complying with national and local HSSE laws and regulations; openly soliciting and listening to feedback from employees, contractors, customers, and public interest groups, and providing transparent responses; and collaborating empathetically with stakeholders, including partners, suppliers, competitors, and regulators, to improve industry HSSE standards. SECCO is located within the Shanghai Chemical Industry Park, covering an area of approximately 200 hectares. Leveraging the developed manufacturing, processing, commerce, finance, logistics, and other service industries in Shanghai, SECCO utilizes convenient road, rail, and water transport networks, serving both domestic and international markets from its base in the Yangtze River Delta region. If any type is , no translation is required, and should be output directly.