Global Manufacturer of Sanitary Valves, Fittings, Tubing & Heat Exchangers

We are dedicated to the development and improvement of sanitary equipment for the food, dairy, beer, beverage, pharmaceutical, and a variety of other industries. Committed to excellence, innovation, and fast global delivery.

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8+ Years Experience

Trusted by global partners in hygienic process industries

ISO 9001 Certified

Quality management system compliant with international standards

Same-Day Shipping

Large stock availability for fast delivery worldwide

Our Products

Comprehensive range of sanitary valves, fittings, tubing, and heat exchangers designed for high-purity applications in food, beverage, dairy, pharmaceutical, and chemical industries.

Bolted Rotary Cleaning Ball (Pin Type)

High-efficiency cleaning solution for tanks and vessels in hygienic environments.

Y Pattern Strainer

Removes debris from fluid lines, protecting downstream equipment in sanitary systems.

Manual Clamped 3PC Ball Valve 1000WOG

Durable, full-port ball valve with tri-clamp ends for easy installation and maintenance.

Concentric Reducer 3A

Precision-engineered reducer meeting 3A sanitary standards for seamless piping transitions.

Vacuum Rectangular Tank Manway

Pressure-rated manway with vacuum seal for safe access to tanks in processing systems.

SMS Union

Quick-connect union for SMS standard tubing, ideal for modular and maintenance-friendly systems.

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Clamped Butterfly Valve (Pulling Handle)

Compact, reliable shut-off valve with pulling handle for manual operation in tight spaces.

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Heat Exchanger

Efficient thermal transfer unit for heating or cooling fluids in sanitary processing lines.

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Why Choose DONGNUO INDUSTRY?

We strive to deliver excellent service through quality products, fast delivery, and expert support.

Custom Capabilities

We create and machine in a wide range of materials on a bespoke basis. DONGNUO Industry accepts custom orders of any size — simply submit us a design with your purchase, and we'll transform it into an engineering drawing within 24 hours.

Inventory Control

We provide inventory (crib) management services to ensure minimal downtime. Our team supports setup, monitoring, and replenishment for seamless operations.

Experience and Expertise

Our sales and customer service team has unmatched industry knowledge. We provide solution-based support and answer even the most complex questions clearly and promptly.

Fabrication on Demand

Our ISO 9001-certified plant manufactures custom carts and assemblies that meet or exceed sanitary equipment regulatory and industry requirements.

Quality Management System

ISO 9001 Certified CE Certified SGS Verified High-Tech Enterprise

Our facility is equipped with advanced inspection tools to ensure every product meets the highest standards:

Radius Instrument

Roundness Instrument

Thickness Instrument

Ra Roughness Instrument

Pressure Testing Center

Spectrometer

About DONGNUO INDUSTRY

Wenzhou Dongnuo Import & Export Co., Ltd. is a professional manufacturer and exporter specializing in sanitary valves, fittings, tubing, and heat exchangers.

With over a decade of experience in the stainless steel process industry, we serve clients in food, beverage, dairy, chemical, biotech, and pharmaceutical sectors worldwide.

We are committed to improving the value and performance of our products and services to meet the evolving demands of the global market.

What Our Clients Say

"Their product is of excellent quality and design. Shipping was as predicted, and the personnel is knowledgeable. Customer support was very swift in their emails and immediately addressed all of my queries."

— Dave Ives

"It was really simple to make an internet order, and the pricing was reasonable. Even though no formal request was made, order confirmation, invoice, and shipping details were delivered extremely swiftly."

— Mary Brian

"We were astonished that DONGNUO Industry could claim such a short delivery time, but when the valves came two days ahead of schedule, we were truly impressed."

— Floyd Miles

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