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Premium Exhaust & Drainage Solutions

For over 20 years, Ocsun has been a leading manufacturer in China, delivering high-quality exhaust systems and drainage products to global markets including Europe, America, and Australia. Trusted for durability, precision, and compliance with international standards like AS3996-2019.

Ocsun Manufacturing Facility

About Ocsun

For over 20 years, Ocsun has specialized in two core business areas: exhaust systems and drainage products. As a leading manufacturer in China, we are committed to engineering excellence and global compliance.

We supply premium exhaust components—including front pipes, catalytic converters, diesel particulate filters (DPF), and silencers—to customers across Europe and America. Our drainage division produces high-strength cast iron access covers and galvanized steel grates built to meet the rigorous AS3996-2019 standard for use in Australia and beyond.

20+
Years in Industry
Global
Export Reach
Factory interior Product testing Drain cover production Quality inspection

Advanced Manufacturing Technology

At Ocsun, innovation drives quality. Our state-of-the-art facilities combine precision engineering with strict quality control to deliver reliable, long-lasting products.

Precision Casting

Utilizing advanced casting techniques to ensure dimensional accuracy and structural integrity in all cast iron products.

AS3996-2019 Compliance

All drainage products are manufactured and load-tested to meet Australian Standard AS3996-2019 for safety and performance.

High-Temp Resistance

Exhaust components are built to withstand extreme temperatures and corrosive environments for long service life.

Galvanization Process

Hot-dip galvanizing ensures superior corrosion resistance for steel grates and frames in outdoor and high-moisture environments.

Quality Testing

Each batch undergoes rigorous inspection, including load testing, material analysis, and dimensional verification.

Global Standards

Products designed to meet or exceed international requirements for automotive and civil infrastructure applications.

Our Product Range

Engineered for performance, durability, and compliance.

Exhaust Manifold

Exhaust Manifolds

High-strength cast iron and stainless steel manifolds designed for optimal flow and heat resistance in automotive and industrial engines.

Front Pipes

Front Pipes

Precision-welded exhaust front pipes with flange compatibility for seamless integration into OEM and aftermarket systems.

Diesel Particulate Filter

Diesel Particulate Filters (DPF)

Efficient soot filtration systems that meet emission standards, built for durability under high exhaust temperatures.

Catalytic Converter

Catalytic Converters

Three-way and oxidation catalysts with high-efficiency substrate cores for reduced emissions in gasoline and diesel engines.

Silencer

Silencers (Mufflers)

Acoustic dampening systems engineered to reduce noise while maintaining exhaust flow efficiency.

Flexible Pipes

Flexible Pipes

Vibration-absorbing flexible connectors made from high-grade stainless steel braid for engine movement compensation.

Cast Iron Access Cover

Cast Iron Access Covers

Heavy-duty concrete-infill and solid-top covers with frames, designed for manholes, utility access, and drainage systems.

Galvanized Grates

Galvanized Grates & Frames

Corrosion-resistant trench, heel-proof, and standard grates for pedestrian and vehicular zones, compliant with AS3996-2019.

Lid Lifter

Lid Lifters

Durable lifting tools designed for safe and efficient handling of heavy access covers and drainage lids.

20+
Years Experience
50+
Countries Served
AS3996
Australian Standard
100%
Quality Tested

Frequently Asked Questions

What markets does Ocsun serve?

Ocsun supplies premium exhaust systems to Europe and North America, and drainage products—including cast iron access covers and galvanized grates—to Australia and other international markets.

Are your drainage products compliant with AS3996-2019?

Yes, all our cast iron and galvanized drainage products are manufactured and load-tested to meet the AS3996-2019 standard for load-bearing performance and safety.

Do you offer custom exhaust components?

Yes, we provide OEM and custom fabrication services for exhaust manifolds, front pipes, DPFs, and catalytic converters based on client specifications.

What is your production capacity?

With facilities in Qingdao and Pingdu, we maintain large-scale production and warehousing capabilities to support bulk orders and timely global delivery.

Get in Touch

Contact our sales team for product inquiries, quotations, or technical support.

Contact: Sales Manager
Tel: +86-532-85832009
Fax: +86-532-85832818
Sales Office: 31 Longcheng Road, Qingdao, 266034, China
Plant & Warehouse: 59 Liaolan Road, Liaolan Town, Pingdu, Qingdao, 266700, China
Working Hours: 9:00–17:00, Monday–Friday (Beijing Time)

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