Industries served

Engineering support across industries

SIIINSEI CAD SYSTEMS supports organizations that need mechanical design, drafting, engineering documentation, and estimating assistance. The descriptions below focus on design support, not production or fabrication services.

General Manufacturing

Manufacturers often need accurate drawings, updated models, assembly documentation, and design support to keep projects moving. SIIINSEI helps engineering and operations teams develop and maintain the technical information used to communicate product requirements.

How we support manufacturing

  • Mechanical component and assembly design.
  • 2D production drawing preparation and revision.
  • Legacy drawing conversion and documentation cleanup.
  • BOM organization and assembly layouts.
  • Design review and supplier-ready documentation.
  • Estimating support for engineering hours and project scope.

SIIINSEI works as a design resource alongside the customer's internal engineering team and selected production suppliers. We do not claim to manufacture or machine the resulting components.

Don't see your industry?

If it needs a drawing, we can talk.

Tell us about your project and we will let you know whether it is a fit for our design, drafting, and estimating services.