Our company is a Jiangsu Province private science and technology enterprise, a Jiangsu Province high-tech enterprise, and a Jiangsu Province specialized and innovative "little giant" enterprise. We are a network member unit of China Petroleum & Chemical Corporation (Sinopec), China Petroleum & Chemical Corporation (CNPC), and China National Offshore Oil Corporation (CNOOC). In December 2011, we passed the API Spec 6A, 16A, and 16C product technical specification certifications from the American Petroleum Institute (API). In 2021, we passed API SPEC Q1. In August 2013, we successively passed the certifications and obtained certificates for ISO9001 Quality Assurance System, ISO14001 Environmental Management System, ISO 45001 Occupational Health and Safety Management System (HSE), ISO 10012 Measurement Management System, GB/T27922 After-Sales Service Management System, F/ZJBS-001 Green Supply Chain Evaluation System, and the Integration of Informatization and Industrialization Management System. We have also obtained the TS Special Equipment Production License and the Well Control Equipment Production Qualification Certificate.