An Hui Shang Zhong Piston Ring Co., Ltd. | Professional Piston Ring Manufacturer

About An Hui Shang Zhong

Founded in 1994, An Hui Shang Zhong Piston Ring Co., Ltd. is a professional manufacturer of piston rings for gasoline and diesel engines. Originally based in Zhejiang, the company relocated to Anhui Province in 2007, where it now operates a 35,000 square meter facility with over 200 employees, more than 20% of whom are technical specialists.

Our products are exported globally and are highly regarded in the international piston ring market. We hold TS 16949 and ISO 9002 certifications, as well as Brazil INMETRO certification, ensuring the highest standards in quality and reliability.

1994

Founded

35K

㎡ Factory

200+

Employees

6000+

Specifications

Our Product Range

CUMMINS

High-performance piston rings designed for CUMMINS diesel engines, ensuring durability and optimal compression.

DEUTZ

Precision-engineered rings for DEUTZ industrial and agricultural engines, meeting strict OEM standards.

FIAT

Reliable piston rings for FIAT automotive and commercial vehicle engines, widely used in European markets.

VOLVO

High-strength rings for VOLVO truck and construction equipment engines, built for heavy-duty cycles.

TOYOTA

Precision-machined rings for TOYOTA passenger and industrial engines, ensuring fuel efficiency and longevity.

PERKINS

Robust rings for Perkins diesel engines used in generators, construction, and marine applications.

MERCEDES BENZ

OEM-quality rings for Mercedes-Benz commercial vehicles and industrial power units.

Air Compressor

Specialized rings for reciprocating air compressors, designed for continuous operation and high pressure.

View All 6000+ Specifications

Advanced Manufacturing Capabilities

Precision Equipment

Equipped with Japanese digital molding grinders, Swiss M-1100C plasma molybdenum machines, and high-precision double-side grinders for unmatched accuracy.

In-House Testing Lab

Dedicated chemical and quality testing center ensures every batch meets international standards before shipment.

Full Production Lines

5 oil ring production lines, 2 steel ring lines, and a complete casting line for rough ring manufacturing.

Certifications

Certified under TS 16949, ISO 9002, and Brazil INMETRO – proof of our commitment to quality and consistency.

Global Export

Products exported worldwide, serving customers across Europe, South America, Asia, and Africa.

Surface Treatments

Chrome plating, molybdenum coating, tin plating, phosphate, heat treatment, and nitrogen treatment available.

By the Numbers

1994

Founded

35K

㎡ Factory Area

200+

Employees

6000+

Product Types

Frequently Asked Questions

What types of engines do your piston rings support?

Our rings are compatible with a wide range of gasoline and diesel engines, including CUMMINS, DEUTZ, FIAT, VOLVO, TOYOTA, MERCEDES BENZ, PERKINS, and many more. We offer over 6,000 specifications.

Are your products certified?

Yes. We hold TS 16949, ISO 9002, and Brazil INMETRO certifications, ensuring compliance with international quality standards.

Do you offer custom piston rings?

Yes, we support OEM/ODM services. With our advanced machinery and in-house R&D team, we can produce custom rings based on your specifications.

Where is your factory located?

Our factory is located at 1306 Weisan Road, Wuhu Mechanical Industrial Park, Anhui Province, China, 241100.

How can I contact your sales team?

You can visit our official website at szcnpr.com to get in touch with our sales representatives.

Get in Touch

For inquiries, partnerships, or product specifications, visit our official website to connect with our team.

Visit Official Website

Contact Details

Email: [email protected]

Tel: +86-553-8768817

Fax: +86-553-8768818

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Precision Piston Rings for Global Engines