Since its inception, DEDE has adhered to the philosophy of "self-research and manufacturing," placing great emphasis on product innovation and R&D capabilities.  DEDE has continually increased its investment in research and development, designing and producing a wide range of sealing products, including industrial oil seals, automotive oil seals, truck oil seals, construction machinery oil seals, mining industry oil seals, hydraulic oil seals, wind turbine seals, agriculture oil seals, washing machine oil seals, and rubber sealing rings.

These products are widely used in diverse industries such as automotive, construction machinery, mining, wind power, and agriculture, providing high-performance sealing solutions to meet the needs of customers across the globe. Our company boasts a highly experienced technical team and over 200 advanced production and testing machines, ensuring that our designs and manufacturing processes meet global standards. Every step of our production strictly follows ISO 9001 and TS16949 international management system certification standards, ensuring that each product leaving our factory is of top quality.

DEDE has adopted the globally renowned SAP ERP management system, on top of our advanced technological innovations and strict quality control. This system has enabled us to achieve paperless, networked, and transparent management, allowing us to provide customers with more efficient service. Whether it's product quotes, production progress, or order fulfillment, DEDE can respond quickly and ensure customer demands are met promptly.

In addition, by optimizing our supply chain management, DEDE maintains large inventory reserves, ensuring that we can quickly fulfill orders even in cases of urgent demand. For us, quality assurance is not only reflected in the production process but also extends to the entire customer experience—from pre-sales consultation to post-delivery service. With strict production controls and efficient logistics support, we ensure that every batch of products is delivered on time, standing apart from the industry's inconsistent pricing and quality variations.

Throughout our 30-year history, DEDE has maintained a steadfast commitment to delivering consistent product quality. As a modern enterprise in the sealing products industry, we not only possess robust manufacturing capabilities but also adhere to a rigorous quality control system. Each production process is meticulously monitored and inspected to ensure that from design to manufacturing and final delivery, every product meets the highest standards of excellence.

This dedication to quality has earned DEDE widespread recognition in the global market, particularly in industries where sealing solutions must meet stringent performance requirements, such as wind turbines, automotive manufacturing, construction machinery, and hydraulic systems.

DEDE's quality extends beyond the products themselves and is embedded throughout the entire production and management process. Whether in the selection of raw materials, the optimization of manufacturing processes, or the final product inspection, we strive for perfection. Through these efforts, DEDE ensures that each product can operate reliably in even the harshest working environments, truly delivering "high-quality assurance."

While DEDE continues to build a strong presence in the domestic market, we are also actively expanding our global footprint. After years of effort, our sealing products are now sold in numerous countries and regions worldwide, covering industries such as automotive manufacturing, construction machinery, mining machinery, wind power, and agricultural machinery. No matter where our customers are located, DEDE provides them with premium products and services, ensuring they receive high-performance seals along with convenient and timely deliveries.

Our global strategy is not just about exporting products; we have also established long-term partnerships with renowned global brands, becoming a key supplier in the sealing industry. Thanks to our self-research and manufacturing capabilities, DEDE has earned widespread praise and trust in international markets.

As a leader in oil seal manufacturing, DEDE anchors its core values in “Duty & Deserve” – committing to responsibility-driven excellence. We ensure product longevity and extreme-environment performance through cutting-edge technologies, serving industry, automotive, energy and aerospace industries globally. Moving forward, DEDE will deepen R&D, pioneer digital sealing solutions, and expand our global service network. By relentlessly honoring our duty to innovation and reliability, we transform every partnership into a deserved reward for our clients, safeguarding industrial safety while shaping a sustainable future.