About Us
Dafugui Pipe Valve Co., Ltd., established in 2006, is headquartered in Longwan District, Wenzhou—known as China's Valve City. Located just 3 kilometers from Wenzhou Airport, the company enjoys convenient access to both road and rail transportation. We specialize in the research, development, production, and sales of flanges, pipe fittings, valves, and other pipeline accessories. Through years of technological innovation and market accumulation, we have grown into a leading domestic player while continuously expanding into international markets. We consistently uphold the business philosophy of “Survival through Quality, Development through Reputation,” dedicated to providing global customers with high-quality pipeline connection products.
Since our inception, we have prioritized technology introduction and independent innovation. We have collaborated with numerous renowned domestic and international enterprises, establishing a robust industrial chain and extensive market network. Through continuous optimization of production processes and enhancement of management standards, we have progressively gained industry recognition and obtained various qualification certifications, becoming a preferred supplier across numerous industrial sectors.
The company operates a modern production facility spanning 5, 000 square meters with comprehensive amenities. With a workforce of 200 employees, it integrates R&D, manufacturing, quality inspection, and warehousing under one roof. Equipped with top-tier production machinery and advanced automated assembly lines, the facility meets high-volume, high-quality production demands.
The factory houses multiple specialized workshops, including:
Flange Production Workshop: Equipped with high-precision CNC lathes, welding equipment, and more, capable of manufacturing various standard and non-standard flanges.
Pipe Fitting Production Workshop: Dedicated to producing pipe fittings such as elbows, tees, reducers, and more, utilizing advanced cold-forming technology to ensure product precision and quality.
Valve Production Workshop: Manufacturing various valve types—including ball valves, gate valves, globe valves, and others—to meet the diverse needs of different industries.
Each workshop is equipped with a dedicated quality control team to ensure every stage—from raw materials to finished products—meets international standards.
Our Product
Our robust production team manufactures flanges, pipes, elbows, tees, valves, and other pipe fittings.
Flange series
- Butt-weld flanges, slip-on flanges, blind flanges, and loose flanges, among others.
- Available in multiple materials, including stainless steel and alloy steel, to suit various working environments.
Pipe Fittings Series
- Includes elbows, tees, reducers, and reducer pipes, meeting pipeline connection and directional requirements.
- Products can be customized to customer specifications, ensuring perfect compatibility with various piping systems.
Valve Series
- Ball valves, gate valves, globe valves, check valves, etc.
- Fluid control systems suitable for multiple industries including petroleum, chemical, and power.
Product Standards: Manufactured to standards including GB12459, SHJ, HG/T, ANSI, JIS, DIN, ISO, etc.
Product Materials: 304, 30408, TP321, 304L, S31603, 316Ti, 2205, 2520, 904L, TA2, etc. The company possesses mature production experience, a comprehensive product range, and a robust quality management system.
Product Application
Our products are widely applied across multiple industries, covering petroleum, chemical, pharmaceutical, food, machinery, power generation, construction, and other sectors. Specific applications include:
Petroleum Industry
- Our flanges and pipe fittings are extensively used in petroleum exploration, extraction, and transportation. These products feature high pressure resistance and corrosion resistance, ensuring stable operation in complex environments.
Chemical Industry
- We provide highly corrosion-resistant pipe fittings suitable for chemical transportation and storage, guaranteeing pipeline system safety and longevity.
Pharmaceutical and Food Industry
- Our products comply with sanitary standards and are commonly used in pipeline systems for food and pharmaceutical production, ensuring product safety and quality.
Power Industry
- Our valves and pipe fittings are extensively applied in power plant piping systems, withstanding operational pressures in high-temperature, high-pressure environments.
Construction and Machinery Industry
- We supply piping connection and control equipment for large-scale engineering projects, ensuring smooth project execution.
Semiconductor Industry
- Chip manufacturing, chip packaging, silicon wafer production, panel manufacturing, LED chip manufacturing, solar cell manufacturing, third-generation semiconductor chips.
Our Certificate
To ensure product quality and traceability throughout the production process, Dafugui Pipe Valve Co., Ltd. has obtained multiple international certifications:
ISO 9001: Quality Management System Certification, ensuring products consistently meet international quality standards.
CE Certification: Compliant with EU market sales standards, enabling free circulation in European markets.
API Certification: Compliant with American Petroleum Institute standards, widely used in the oil and gas industries.
Patent Certificates: The company holds multiple patents for product design and technological innovations, including pipeline connection techniques and welding technologies, enhancing product competitiveness in the market.
Other Certifications: Such as Environmental Management System Certification and Occupational Health and Safety Management System Certification, further demonstrating the company's comprehensive capabilities in production, management, and other aspects.
Production Equipment
The company has invested heavily in modern production equipment to ensure every process is completed efficiently and precisely:
CNC Lathes: Used for precision machining of flanges, pipe fittings, and other products, guaranteeing dimensional accuracy and production efficiency.
Automated Welding Machines: Employing advanced automated welding technology to guarantee consistent weld quality and meet high-strength requirements.
Laser Cutting Equipment: High precision enables efficient cutting of various materials, enhancing production flexibility.
Large-Scale Mold Machining Centers: Supports both mass production and customized demands, providing customers with more efficient manufacturing solutions.
All equipment undergoes regular maintenance and upgrades to ensure the smooth operation of production lines.
Production Market
Our products are exported to numerous countries and regions worldwide, covering markets across Asia, Europe, and the Americas. Over the years, our products have been supplied to domestic and international projects in petroleum, chemical, pharmaceutical, food, machinery, metallurgy, construction, and power sectors, earning consistent acclaim from users across all industries. The company steadfastly adheres to the business principle of “survival through quality, development through reputation,” striving to create a brilliant future with all sectors of society through superior quality, competitive pricing, and dedicated service. We have achieved outstanding performance in large-scale petroleum and chemical projects, earning high trust from our clients.
We continuously explore emerging markets and have progressively enhanced our brand influence in the international market by actively participating in global exhibitions and optimizing sales channels.
Our Service
Dafugui Pipe Valve Co., Ltd. provides comprehensive customer service to ensure every client need receives prompt attention
Pre-Sales Services
Our sales team offers professional product consultation, technical support, and customized solutions to help clients select the most suitable products.
During-sales Service
We provide end-to-end tracking to ensure production progress, quality control, and delivery arrangements align with client requirements.
After-Sales Service
We provide long-term product maintenance and technical support to ensure stable operation of customer equipment. Should any issues arise, we deliver rapid solutions to prevent disruption to normal production.
