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Precision Hose Fittings &
Industrial Hardware Solutions

Martin Mechanical Transmission (Ningbo) Co., Ltd. – Trusted manufacturer of stainless steel fittings, aluminium die casting, fasteners, and engineering parts since 2005. Delivering quality, reliability, and global service.

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About NBMartin

Founded in 2005 and based in Ningbo, China — a major hub for metal processing and international trade — Martin Mechanical Transmission (Ningbo) Co., Ltd. has grown into a reliable global supplier of precision-engineered hardware components.

If you choose to cooperate with us, you might not be offered the lowest price, but you will enjoy high-quality products and experience the best services. Our team is passionate, innovative, and committed to excellence in every product we manufacture.

2005

Founded

ISO 9001:2000

Certified

Factory Equipment Production Line Metal Components Fasteners

Our Product Range

We specialize in high-precision industrial components including hose fittings, stainless steel fittings, aluminium die casting, fasteners, flanges, valves, and transmission parts — all manufactured to international standards.

High Strength Steel Structure Bolt

High Strength Steel Structure Bolt

Grade 8.8, DIN933/DIN931 compliant. Ideal for heavy-duty construction and mechanical applications.

Hexagon Socket Screws

Hexagon Socket Screws/Bolts

Precision-machined steel fasteners for industrial and automotive use.

Brass Compression Fittings

Brass Compression Fittings

BS864-2, EN1254-1 standard. For copper pipe connections in plumbing and HVAC.

Stainless Steel Fittings

Stainless Steel Sanitary Fittings

A403 WP304/WP316L, 3A standard. Used in beverage, pharmacy, and food processing industries.

Hydraulic Adapter

Hydraulic Adapter (Part-000023)

For high-pressure plumbing and hose connections in industrial systems.

Aluminium Die Casting

Aluminium Die Casting

Precision casting for automotive, aerospace, and machinery components.

Stainless Steel Ferrule Fitting

Stainless Steel Ferrule Fitting (Part-0000001)

Leak-proof fittings for high-integrity fluid systems.

Double-End Stud Bolt

Double-End Stud Bolt & Nuts

Custom thread rods with multiple surface treatments available.

Forged Stainless Steel Fitting

Forged Stainless Steel Fitting (Part-0000002)

High-pressure, high-temperature resistant fittings for critical systems.

T-Bolts & Carriage Screws

T-Bolts & Carriage Screws

Durable fasteners for structural and mechanical assembly.

Stainless Steel Ball Valves

Stainless Steel Ball Valves

Corrosion-resistant, leak-tight valves for industrial fluid control.

Steel Flanges

Steel & Stainless Steel Flanges

Forged and carbon steel flanges for pipeline and industrial connections.

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Why Choose NBMartin?

We combine precision engineering, strict quality control, and customer-focused service to deliver industrial hardware that meets global standards.

Quality Certified

ISO 9001:2000 certified manufacturing processes ensure consistent quality and reliability across all product lines.

Global Export Experience

Serving markets in North America, Western Europe, South America, Southeast Asia, and the Middle East with reliable logistics and support.

Customer-Centric Service

We prioritize long-term partnerships by delivering responsive support, technical expertise, and on-time delivery.

19+

Years in Business

ISO 9001:2000

Quality Certified

30+

Countries Served

1000+

Industrial Clients

Frequently Asked Questions

What materials do you work with?

We specialize in stainless steel (304, 316L), brass (C37700, CW617), carbon steel, and aluminium. Custom materials available upon request.

Do you offer OEM services?

Currently, we do not provide OEM services. However, we can customize certain products based on your specifications and drawings.

What are your payment terms?

We accept T/T (Telegraphic Transfer) and L/C (Letter of Credit) as standard payment methods.

Which regions do you export to?

Our main export markets include North America, Western Europe, Eastern Europe, South America, Southeast Asia, and the Middle East.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the NBMartin team directly.

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