Custom Fasteners
For Industrial
Projects

OEM Manufacturing • Precision Production • Global Export

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27+
Years of manufacturing
M3–M100
Estándar fastener range
ISO 9001
Certified quality system
Precision-engineered fasteners

An OEM CNC machining manufacturer, since 2009.

Two facilities in Qingdao totalling 5,000 m², 75+ manufacturing and QC machines, and a design team with 15+ years of experience — delivering CNC machining, milling, turning, die casting and sheet metal parts to customers in 50+ countries.

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5,000 m² plants

Two facilities in Qingdao with room for CNC, QC and finishing under one roof.

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75+ machines

Mazak 5-axis, CNC turning and milling, plus dedicated QC equipment on the floor.

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300+ customers

Trusted by industrial buyers for repeat OEM runs and custom fastener programs.

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50+ countries

Export-ready packaging, docs and logistics for global project delivery.

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Full process cover

CNC, die casting, sheet metal, EDM and surface finishing from one supplier.

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15+ years design

In-house engineering with DFM feedback and typical 24-hour quote response.

Productos populares

Browse our main fastener families — manufactured to international standards and available in custom specifications.

Bolt

Bolt

Hex, flange and specialty bolts engineered for industrial assemblies.

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Nut

Nut

Hex, lock and flange nuts matched to your bolt grades and finishes.

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Screw

Screw

Machine and self-tapping screws for precision fastening applications.

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Washer

Washer

Flat, spring and lock washers for load distribution and vibration control.

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Stud & Threaded Rod

Stud & Threaded Rod

Stud bolts and threaded rods for high-pressure and structural joints.

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Special Material Fastener

Special Material Fastener

Exotic alloys and coated fasteners built for harsh environments.

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Industries We Serve

Oil and gas industry Oil & Gas Automotive industry Automotive Construction industry Construction Power and energy industry Power & Energy Marine industry Marine

Sobre nosotros

Mertra is a Qingdao-based OEM fastener manufacturer with two plants, 75+ machines, and engineering support for industrial buyers worldwide. We combine drawing-to-part manufacturing, multi-stage QC, and export-ready logistics so every shipment installs with confidence.

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50+Países atendidos
75+Máquinas en planta
27+Años de experiencia
300+Clientes industriales

Últimos artículos

Notas prácticas sobre filtros de aceite, aire y cabina para compradores automotrices.

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