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Bortome – Precision Forgings, Castings & Cemented Carbide

A leading Chinese manufacturer delivering high-performance industrial components trusted globally.

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About Bortome

Qingdao Bortome Import & Export Co., Ltd. is a premier manufacturer and exporter of industrial forgings, castings, and cemented carbide products based in China. With years of engineering expertise and a commitment to quality, we serve clients across diverse sectors including automotive, energy, mining, and heavy machinery.

Our Legacy

Formerly known as Tongyu Heavy Industry Co., Ltd., Bortome has evolved into a globally recognized brand in industrial component manufacturing. Our journey includes international certifications, participation in major trade shows like Automechanika, and successful collaborations with partners in Europe, Russia, and beyond.

We pride ourselves on innovation, precision, and reliability—core values that drive every product we deliver.

  • ✅ ISO & Maritime Certification Compliant
  • ✅ Global Export Experience
  • ✅ Advanced Production Workflows
  • ✅ Client-Centric Service Model
Bortome Manufacturing Facility

Our Products

Engineered for performance and durability, Bortome’s product range includes precision forgings, high-strength castings, and advanced cemented carbide components.

Steel Forgings

Steel Forgings

High-tensile steel forgings used in automotive axles, crankshafts, and industrial machinery. Manufactured under strict quality control for maximum strength and fatigue resistance.

  • Material: Alloy Steel, Carbon Steel
  • Weight Range: 1kg – 5000kg
  • Standards: ISO, ASTM, DIN
Cemented Carbide Components

Cemented Carbide

Wear-resistant carbide parts ideal for cutting tools, mining equipment, and wear plates. Known for hardness, thermal stability, and long service life.

  • Grade: YG6, YG8, YG15
  • Hardness: HRA 89–93
  • Applications: Drilling, Cutting, Mining
Iron Castings

Iron Castings

Durable gray and ductile iron castings for pumps, valves, and structural components. Produced using sand casting and precision molding techniques.

  • Material: HT200, QT400-15, QT500-7
  • Weight: 0.5kg – 3000kg
  • Surface Finish: Machined or As-Cast
Alloy Steel Forgings

Alloy Steel Forgings

Forged components made from chromium, molybdenum, and nickel alloys for high-stress environments such as oil & gas and power generation.

  • Standards: AISI 4140, 4340
  • Heat Treatment: Quenched & Tempered
  • Applications: Flanges, Shafts, Connectors
Heavy Industrial Castings

Heavy Castings

Large-scale castings for heavy machinery, shipbuilding, and construction equipment. Designed for impact resistance and structural integrity.

  • Max Weight: Up to 10 Tons
  • Process: Sand Casting, Shell Molding
  • Certifications: ISO, LR, DNV
Carbide Wear Parts

Carbide Wear Parts

Custom-designed wear components including nozzles, guides, and liners for abrasive environments.

  • Custom Shapes & Sizes
  • High Abrasion Resistance
  • Long Operational Life
Precision Forged Shafts

Forged Shafts

Precision-engineered shafts for transmission systems, turbines, and industrial drives. Balanced and heat-treated for optimal performance.

  • Diameter: 50mm – 800mm
  • Length: Up to 6 meters
  • Tolerance: ±0.05mm
Carbide Cutting Tools

Carbide Cutting Tools

High-performance cutting inserts and tips for machining, turning, and milling operations.

  • Insert Types: CNMG, DNMG, WNMG
  • Coating: TiN, TiCN, Al2O3
  • Compatibility: CNC Machines

Why Choose Bortome?

🔧

Advanced Manufacturing

State-of-the-art forging, casting, and sintering technologies ensure consistent quality and precision.

🌍

Global Reach

Exported to Europe, Russia, Southeast Asia, and the Americas with reliable logistics support.

✅

Certified Quality

Compliant with ISO standards and recognized by Russian Maritime and other international bodies.

🛠️

Custom Solutions

Tailored designs and OEM services to meet specific engineering and application needs.

Our Impact

10+
Years in Industry
30+
Countries Served
500+
Industrial Clients
98%
Customer Satisfaction

Latest News

Qingdao Bortome Completed Registration

Posted: Recent

Qingdao Bortome Import & Export Co., Ltd. has successfully completed its official registration, reinforcing its legal and operational framework for global trade.

Tongyu Awarded “Focus on Trust” Title

Posted: Recent

Recognized for integrity and reliability, Tongyu (Bortome) has been awarded the prestigious “Focus on Trust” certification.

Success at Automechanika 2015

Posted: 2015

Bortome made significant connections and showcased its forging technology at the 2015 Automechanika Frankfurt exhibition.

Russian Maritime Certification

Posted: Recent

Bortome has been officially granted certification by the Russian Maritime Register, enabling supply to shipbuilding and offshore sectors.

Get in Touch

For inquiries, quotes, or partnership opportunities, visit the official Bortome website to connect with their team.

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