PRODUCTS

DongGuan TongToo Aluminum Products Co., Ltd. is a company specializing in aluminum alloy CNC precision machining, injection molding, mold development, and metal parts manufacturing. It has obtained ISO 9001 international certification and strictly implements the 6S management system. With the introduction of German imported equipment, its products are exported to more than 20 countries including Europe, America, and Southeast Asia, with an average annual delivery volume of more than 5 million pieces. With exquisite craftsmanship, fast response, and full-process quality inspection as the core, we provide customized ODM/OEM solutions for global customers and strive to become a trusted strategic partner in the field of international industrial manufacturing.

1.Product Introduction

Dongguan Tengtu Aluminum Products Co., Ltd. focuses on the customized production of aluminum alloy rail transit brake accessories. It uses high-strength aluminum alloys such as 7075-T6 and 6082-T6, combined with four-axis and five-axis CNC precision machining + surface treatment technology to create high-strength, lightweight, weather-resistant, corrosion-resistant, safe and reliable rail transit brake system components. Products include key components such as brake discs, caliper brackets, brake pad brackets, etc., suitable for high-speed rail, subway, light rail and intercity trains, helping to upgrade the lightweight and safety performance of rail transit equipment.

2.Product Parameter

Product Name Aluminum Alloy Rail Transit Accessories

Product Material 6061, 6063, etc.

Product Specifications Support non-standard customization

Product Processing Method CNC Processing

Surface Treatment Anodizing (matte/bright optional), color and texture can be customized.

3.Product Feature And Application

Material and process

Base material selection:

7075-T6 (tensile strength ≥570MPa, impact resistance)

6082-T6 (stress corrosion resistance, excellent welding performance)

Precision machining: four-axis and five-axis linkage machining thin-wall structure machining (thinnest 5mm, flatness ≤0.05mm)

Surface strengthening: hard oxidation, micro-arc oxidation (film thickness 50-80μm, temperature resistance 800℃)

Application

Automobile field

High-speed EMU

Component type: brake disc body, caliper bracket, hydraulic cylinder seat

Technology highlights: bionic heat dissipation hole design (air flow increased by 30%)

Metro and light rail

Component type: brake pad bracket, brake lever, coupling

Technology highlights: integrated shock absorption structure (vibration reduced by 25dB)

Intercity train

Component type: brake beam, air cylinder bracket, brake control box

Technology highlights: Modular quick-disassembly design (maintenance time shortened by 40%)

Tram

Component types: Magnetic rail brake base, resistance brake assembly

Technology highlights: Non-magnetic aluminum (reduces eddy current loss)

4.Product Details

Thermal fatigue life 100,000 hot and cold cycles (-40℃~300℃)

Weight reduction 50%-60% lighter than cast iron

Salt spray corrosion resistance 2000 hours

Thermal decay resistance design: porous heat dissipation structure + high temperature resistant coating

Each train loses 1.2-2.5 tons of weight, reducing track wear and energy consumption

5.Product Qualification

Raw material traceability: Material certification is provided for each batch of aluminum.

Final inspection items: Three-dimensional measurement full-size inspection.

Salt spray test (aviation grade ≥1000 hours without corrosion).

Ensure compliance with ISO 9001 standards.

Surface treatment: Meet RoHS pollution-free standards.

6.Deliver, Shipping and Serving 

Packing solution: Pearl cotton + carton/wooden box.

7.FAQ

Q: How to solve the problem of high temperature softening of aluminum alloy brake parts?

A: Use double protection:

The base material is 2618A heat-resistant aluminum alloy (200℃ strength retention rate ≥85%)

Micro-arc oxidation ceramic film layer (resistant to instantaneous high temperature of 800℃)

Q: Does it support OEM/ODM cooperation?

A: Welcome new and old customers to discuss OEM cooperation, support private mold customization, brand LOGO engraving and other in-depth services.

Q: Are you a trading company or a manufacturer?

A: We are a precision processing manufacturer with 20 years of production and processing experience. Welcome to visit our factory.

Company Introduction

Our 5000㎡ workshop is equipped with hundreds of production equipment, including German Hammer five-axis CNC machining center (machining accuracy up to 0.002 MM), turning and milling composite CNC lathe, CNC lathe, milling machine, lathe, grinder, etc.; as well as more than a dozen various inspection equipment (including German Cai's three-dimensional, with inspection accuracy up to 0.001MM), and the machining capacity has reached the international advanced level. The Tengtu team has the most professional mold design and CNC machining knowledge. We will work closely with you during the prototyping, production, assembly, inspection, packaging and final delivery process to exceed your expectations.

Our team uses CNC machining to manufacture high-performance parts that support industries such as aerospace, automotive, military, medical, machinery, electronics, and communications. We are committed to innovation and manufacture and assemble important components with excellent precision, strict tolerances and high-quality materials. Over the past 11 years, Tengtu has established a high reputation for efficiency, quality, reliability and on-time delivery.