Careful craftsmanship: In order to achieve customer satisfaction as the goal, the company's products must be carefully crafted to meet customer requirements; Scientific management: Our company aims to manage the enterprise using scientific methods to maintain its vitality with better quality and higher efficiency; Integrity management: Based on integrity, win the trust of customers, expand markets, and increase sales channels; Continuously meeting customer needs and expectations: Customer needs and expectations are constantly changing, and companies must continuously improve their products and processes in order to meet their needs and expectations. Duoyi Valve (Shanghai) Co., Ltd. was a comprehensive joint venture enterprise dedicated to the research and development, technical cooperation and transfer, technical exchange, and sales of industrial process control valves. In 2014, it was upgraded to its own brand (DYV), continuing to inherit the rigorous and demanding spirit, aiming to provide high-end control valves and more cost-effective fluid control solutions for the domestic petroleum, chemical, power, metallurgy, natural gas, and environmental engineering industries. As a high-quality professional supplier and technical service provider of industrial control valves, DYV has accumulated profound technology since its establishment many years ago, always putting product quality first and never stopping from exploring and innovating control valves such as electric and pneumatic valves! On the basis of domestic valve manufacturing standards and combined with advanced technology in foreign valve manufacturing, we strive to further improve the level of self-control valves. After years of hard work, development, and innovation, DYV Company has achieved steady and high-speed development under the guidance of the strategic thinking of "market orientation, technology priority, and brand development", realizing the management form of market development, product sales, and technical services, and achieving better results in market development and resource sharing. At the same time, advanced domestic and foreign technologies are adopted to optimize the working condition design scheme, and various materials are used for customized research and development, continuously improving the reliability and practicality of the products. The products are highly competitive and cost-effective, establishing our company's position in the valve industry. In the face of increasingly fierce market competition and the severe test of global economic integration, we will always adhere to the principle of survival and development through quality, constantly explore and innovate, abide by the corporate philosophy of "integrity-based, pursuing excellence", carry forward the corporate spirit of "unity and progress, seeking novelty and pragmatism", make unremitting efforts, double our efforts, provide new and better products and services for new and old customers, create value for society, and strive to become a leader in the field of self-control valves!