Minimum order quantity for bulk production: 800 sets per model

OEM & Custom Manufacturing

18 years of expertise. From CAD drawing to final delivery, we build heavy-duty clamps to your exact specifications.

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Doyar OEM clamp quality testing
Doyar in-house manufacturing workshop
In-House Manufacturing Strength

Backed by 18+ Years of In-House Manufacturing

We own a complete in-house production system covering precision machining, powder coating, and final assembly. Our engineers and skilled workers, paired with certified raw material suppliers, help every custom product meet consistent quality standards and mechanical requirements.

Custom Capabilities

Every project starts with mechanical requirements, material targets, quantity, and trade terms.

Material & Mold Engineering

We build to your blueprint, from custom casting molds to steel grade and component material selection.

Full Modification & Private Labeling

Tailored rail lengths, surface treatment, color, private labeling, and retail-ready production for your market standards.

The 4-Step Process

Clear process control for quotation, prototype approval, mass production, and delivery.

Quotation

Submit drawings or target specs. We evaluate feasibility and provide detailed quotation terms.

Prototyping

Precision prototypes are created and checked for your approval.

Production

Precision finishing, powder coating, and assembly are handled in-house.

Delivery

Final inspection is conducted before dispatch to support batch consistency.

FAQ

What is the MOQ?

MOQ varies by size and mold requirement. For bulk standard production, plan around 800 sets per model.

What is the lead time?

After prototype approval, standard mass production lead time is typically 30-45 days.

How do you protect IP?

An NDA can be signed before proprietary CAD drawings or custom mold details are shared.

Factory Direct Inquiry

Ready to Review Your Custom Clamp Project?

Send drawings, target quantity, and material requirements for a practical factory review.

  • MOQ starts from 800 pcs per modelBuilt for distributor and OEM bulk procurement.
  • Custom sizes, colors, packing, and private labelSend drawings, target dimensions, or sample requirements.
  • Quotation response within 24 hoursClear lead time, material option, and FOB Shanghai terms.