Assembly Service

Single-source solution to your most complex and innovative projects

HS Molds is a single-source solution to your most complex and innovative projects. We manufacture and assemble systems that combine electronics and plastic parts, and we work with your engineering staff or our engineers to develop certified, cost-effective manufacturing methods ensure the highest quality and most cost-effective product output.

Contract Assembly

A successful project depends on assemblies and sub-assemblies that are well-aligned, on time, and at the right total cost. Located in manufacturing center of Dongguan where there are most complete industrial supply chain in the world, we are able to source and purchase needed materials and parts on real time, and assemble the plastic components, and provide the finished assembly or product – packaged and shipped – Saving Your Time and Money Cost.


From the simple assembly of mating components to turn-key electronic system assembly of a finished product, HS Molds provide injection molding contract assemblies that save you time and money.

These Services Include:

  • Pre-launch prototyping CNC or 3D metal or plastic printing for product evaluation
  • Source needed materials, casting, extrusion or mechanical parts for assembly
  • Custom packaging
  • Complete or partial component assembly
  • Capability studies and validation

Assembly Services Include:


  • Full-service of plastic injection molding and assembly solutions
  • Work cells operating within the molding cycle
  • Manual, semi-automated, and fully automated assembly
  • Injection molding with integrated down-stream assembly
  • Ultrasonic welding, heat staking, machining, surface treatment decorating, and testing