Welcome to SiRui

The professional mechanical parts manufacturer. We are a trusted OEM partner specializing in precision components for automotive and industrial applications, serving global markets with excellence.

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About SiRui

Shanghai SiRui Industry and Trading Co., Ltd. is a professional OEM manufacturer of mechanical parts and electronic products. With a strong focus on automotive and industrial components, we deliver high-quality solutions primarily to the German market and beyond.

We offer personalized customization services including R&D, production management, quality control, and international logistics — all tailored to meet specific customer requirements. Our manufacturing base is strategically located in low-cost regions of China, enabling us to provide competitive pricing without compromising on quality.

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Our Services

We provide end-to-end manufacturing solutions with expertise in multiple production technologies and global supply chain support.

Quality Assurance

We produce according to DIN, ISO, and international quality standards. Our certified quality management team controls every process — from sample to mass production — ensuring compliance and reliability.

Competitive Pricing

Our low-cost production capability in China, combined with strict cost controls and experienced manufacturing teams, allows us to deliver competitive pricing without sacrificing quality.

Professional Expertise

Our team brings extensive experience from international manufacturing companies, specializing in casting, hot forging, machining, sheet metal, plastic forming, and electronics manufacturing.

Our Products

We manufacture high-precision components across multiple industries using advanced production techniques and strict quality control.

Molybdenum-Titanium Alloy Components

High-strength, heat-resistant parts ideal for aerospace and industrial applications.

Agricultural Machinery Parts

Durable components designed for tractors, harvesters, and farm equipment.

Joints and Flanges

Precision-engineered connectors for fluid and mechanical systems.

Magnets & Electromagnets

Custom magnetic solutions for sensors, motors, and industrial automation.

Aluminum Die Casting Products

Lightweight, high-precision castings for automotive and electronics.

Machined Products

CNC-machined components with tight tolerances and superior finishes.

Precision Stamping Parts

High-volume stamped metal components for electronics and appliances.

Plastic Injection Parts

Custom molded plastic components for consumer and industrial use.

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Production & R&D

We provide personalized products based on customer drawings, utilizing advanced processes including casting, hot forging, machining, sheet metal, powder metallurgy, plastic forming, and electronics manufacturing.

Our R&D team collaborates with clients to develop new products, create prototypes, conduct testing, and optimize production processes for efficiency and quality.

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Quality Assurance

Quality is at the heart of everything we do. From sample to mass production, our QM team ensures every product meets the highest standards.

✓ Compliance with DIN, ISO, and international quality standards.
✓ Full process control from sampling to mass production.
✓ Material reports and measurement test reports issued with every delivery.
✓ Ongoing investment in inspection equipment and personnel training.

Customer Services

As a China-based company, we simplify your supply chain by managing logistics, after-sales support, and procurement — reducing your operational costs and complexity.

We help make your commitments in China more manageable and predictable, saving you time and resources in personnel, procurement, and logistics.

Contact Us

Phone: +86-021-67700859

Email: [email protected]

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