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About Us

Trusted Manufacturer of Exhaust and Flexible Connection Components

Welcome to Zhejiang Yueding (YDCT). Since 1992, we have been working together with customers around the world for more than 30 years. As a professional company focused on flexible connection component manufacturing, we always follow one simple idea: make products well and do things in a solid way. Thirty years of industry experience and continuous capital investment are not only the base of our strength, but also our long-term promise to every partner we work with.

For many years, Yueding has been committed to providing you with high-standard exhaust system connection solutions. Our main advantages are centered on the development and production of High-quality Exhaust Flex Pipes and different types of exhaust clamps. As a reliable supply chain partner, we not only supply these key connection parts, but also offer a range of exhaust components and flexible hose products. At the same time, for specific industrial needs, we are able to provide professional metal bellows and various kinds of compensation devices.

During the process of growing together with you, Yueding has developed from early single-product manufacturing into a complete system covering automotive exhaust flexible bellows, metal corrugated pipe compensators, stainless steel metal hoses, and industrial piping compensation systems. Our long-term experience in structural design, material selection, process stability, and batch consistency ensures that every product can run in your system in a stable way for a long time. Whether your requirement is standard specification or deep customization, we always aim to offer you more competitive flexible connection solutions.

Years of Expertise

Skilled employees

Country Served

$M+

Annual Sales Revenue

Development Foundation and Industry Role

In long-term development, Yueding (YDCT) has built a strict and standardized management system. We clearly understand that stable quality and safety are the foundation of long-term cooperation. For this reason, we have not only passed ISO 14001 and ISO 45001 international system certifications, but also obtained the high-value IATF 16949 automotive industry quality standard certification. At the same time, we strictly follow the Q/SY 1002.1 Health, Safety and Environment (HSE) management system, and hold the Special Equipment Manufacturing License for pressure pipeline components. These qualifications ensure that in every key application scenario, we can provide you with safe, compliant, and high-standard products.

As a member of the China Association of Automobile Manufacturers, Yueding’s capabilities have been deeply recognized by leading companies in the energy sector. We have successively become a first-level network member of CNPC Energy No.1 Network and SINOPEC. These roles not only show our industry position, but also mean that our production environment and safety standards have reached the top requirements of the energy industry. As a “Specialized, Refined, Distinctive and Innovative” enterprise in Zhejiang Province and a National High-Tech Enterprise, we always stay at the front of the industry and provide you with reliable supply chain support.

Technical innovation is the core driving force for our continuous leadership. Yueding owns a provincial-level R&D center and holds many national invention and utility model patents, and has led and participated in the drafting of the industry standard for central drainage systems of oil storage tanks (SY/T 0511.6-2010). Compared with technical data on paper, we care more about the stability and repeatability of these achievements in your real applications. For us, being able to solve complex connection and compensation problems for you is the real value of technology.

Product Direction and Application Fields

At Yueding (YDCT), our understanding of products goes beyond a single component. At present, our core product lines cover high-performance exhaust flex pipes, different types of exhaust clamps and hose clamps, as well as related connection parts. At the same time, to meet more complex industrial demands, we also supply professional metal bellows compensators (expansion joints), stainless steel metal hoses, fabric expansion joints, and wellhead compensation devices specially used for oil extraction.

We clearly understand that the stable operation of any exhaust or piping system depends on the precise matching of each component. Therefore, during product planning, we always start from system stability and carefully consider the matching relationship between flexible connection, movement compensation, and reliable fixing. Exhaust flexible pipes, compensators, and clamps form an interdependent whole in real working conditions. Only when structure, material, and fastening method are well matched can the system achieve long-term stable operation.

Yueding’s products have been widely used in automotive exhaust systems, petrochemical equipment, power engineering, and various industrial piping systems. Compared with single performance indicators, we pay more attention to durability, sealing stability, and fatigue resistance during long-term operation. Based on this insistence on quality, our products not only perform steadily in the domestic market, but are also exported to overseas markets such as Russia and Germany, where we have built long-term and close partnerships with many international customers.

Core Philosophy and Value Orientation

Yueding has always adhered to the basic understanding that “quality is life”. We believe that product quality is not work completed by the inspection department alone, but a comprehensive reflection of every process and the professional ability of every employee. Therefore, the company has long adhered to a people-oriented management philosophy, and through planned and organized training, continuously improves employees’ capabilities in material understanding, process operation and quality awareness.

In product development and manufacturing, we adhere to international system operation and carry out continuous monitoring and inspection of the production process. High standards are not for showing qualifications, but to ensure that batch products maintain consistent performance at different times and under different working conditions.

YDCT Corporate Mission, Vision and Positioning

Corporate Mission

To provide customers with Exhaust Flexible Connection System Solutions suitable for their actual working conditions through professional technology and stable, reliable products, and in this process promote the long-term healthy development of the industry.

Corporate Vision

To become a professional enterprise in the field of Exhaust Flexible Connection System design and manufacturing that is worthy of long-term trust.

Corporate Positioning

To focus on Exhaust Flexible Connection System design and manufacturing, and to be a professional manufacturer that truly understands the relationship between structure, material and working conditions.

Core Values

Innovation, professionalism, quality, cooperation and win-win.

These are not slogans, but working methods that we have long adhered to in product research and development, production management and customer cooperation.

Looking to the Future

Facing the future, yueding will continue to be market-demand oriented and based on technical accumulation, and will continuously deepen structural optimization and process improvement on the existing product system. We pay more attention to the establishment of long-term cooperative relationships rather than short-term transaction results. Through steady operation, continuous investment and pragmatic cooperation, yueding hopes to become a reliable, transparent and sustainable partner in the global Exhaust Flexible Connection System Market.

Building Long-Term Partnerships Through Global Trade Shows

Since 2014, Yueding’s footprint has spread across the global market. We are regular exhibitors at international trade fairs such as Automechanika Frankfurt and Automechanika Dubai, and we are also active in regional industrial exhibitions in the Middle East, Europe, and South America. For us, exhibitions are not only a stage to show products, but also a valuable chance to communicate with you face to face and to deeply understand local standards and industry trends.

Through continuous participation in international exchanges, we have built a strong global partner network. Every exhibition is a window for us to listen to customer feedback. By having in-depth communication with professional buyers like you, we continuously improve product details and ensure that our exhaust connection solutions can accurately match real working conditions and application needs in different global markets.

We value every offline connection. In the technical discussions at exhibitions, we learn how to adapt, and more importantly, how to go beyond customer expectations. Yueding is always committed to turning market insights gained from exhibitions into more durable and better-sealed practical products, providing you with flexible solutions that truly meet real application challenges.

Middle East Energy Exhibition

As a regular participant of Middle East Energy (Dubai), Yueding has been deeply involved in the Middle East market for many years. We not only present advanced exhaust connection systems and flexible metal components here, but also focus on providing tailored industrial solutions for local engineering companies, to ensure stable operation under harsh working environments.

Chinese Commodities and Services (Belarus)Exhibition

We are actively expanding the Eastern European market. Through our strong presence in Belarus, Yueding has provided local importers and service workshop suppliers with precise exhaust components and industrial piping connection solutions, opening a new chapter of long-term and win-win cooperation.

YDCT 2025 USA exhibition customer group photo

YDCT corrugated flexible hose exhibition customer group photo

YDCT Dubai exhibition customer group photo

Discussing YDCT product catalog details with customers

YDCT Automechanika Shanghai booth live photo

Trusted by Global Clients

Beyond exhibitions, we value every opportunity for direct communication.Our team regularly visits overseas clients to discuss product improvements, packaging options, and future cooperation. Many customers also visit our factory to see our production lines and testing facilities firsthand — a moment we take pride in.

Face-to-face meetings build trust faster than any online message.They allow us to better understand your real needs, discuss solutions openly, and show the confidence behind our work. Whether at a trade show booth or in our factory, we always welcome genuine conversations and long-term partnership.

YDCT Exhaust Flex Pipe and Clamps Exhibition - Automechanika Shanghai 2025 Invitation

Automechanika Shanghai Exhibition

At Automechanika Shanghai, we have in-depth connection with global partners. Through face-to-face discussion on the application of exhaust clamps, flexible pipes, and metal bellows on different vehicle platforms, we continuously turn market demand into more durable products for real use.

YDCT Flexible Metal Hoses and Clamp Systems for Power Projects - IEE Iran 2025 Exhibition

Iran International Electricity Exhibition

At the Iran Electricity Exhibition, we’ve shared our experience in supplying flexible metal hoses and clamp systems for power and infrastructure projects.The event has helped us better understand local project standards and build lasting partnerships in the region.