Precision Insert Molding, Threaded Inserts and Metal Fasteners
Encapsulate brass, stainless steel, or aluminum metal terminals, bushings, and electrical contacts directly into high strength thermoplastics during the molding cycle.
Get an Instant Quote
Upload your CAD file for instant pricing and DFM feedback.
Injection Molding
for Various Industries
From automotive interiors to medical device housings, SANGO molds parts to the tolerances and material specs each industry actually requires — not a one-size-fits-all process.Injection Molding Quality Control
Quality gets built in at mold design, not inspected in at the end. Cross-team DFM reviews and in-process controls hold first-pass yield at 90% or better across every production run.
Frequently Asked Questions
We run injection molding directly - our own process engineers review your design, our own tooling shop builds and maintains the mold, and our own press floor runs production. There's no broker relaying files between you and a third-party shop, which means design feedback, DFM changes, and quality issues get resolved in one conversation instead of passing through a middleman.
Material Options for
Precision Insert Molding, Threaded Inserts and Metal Fasteners
Explore Products
Commodity Plastics
Surface Finishes & Post-Processing
Finishes mapped directly from CMS.
SPI Mold Finishes
Custom Textures
Secondary Finishing Services
Plastic Injection Molding Services for Custom Parts
SANGO takes your part from a handful of prototype units to full production runs on the same tooling philosophy, with T1 samples ready in as fast as 2 weeks. Our China-based facilities run 90 to 830-ton presses, so small precision components and large structural housings both stay in-house.
Precision mold tooling, overmolding, and insert molding all run through the same DFM review before steel is cut, so bond compatibility and wall thickness are checked once rather than per process. One partner across design, tooling, and production means fewer handoffs, tighter part consistency, and a clearer path to scaling volume.
Get QuoteHow Does SANGO Precision Insert Molding, Threaded Inserts and Metal Fasteners
Process Work
At SANGO, we make custom services simple and efficient.
Upload CAD file
/01Start by choosing your preferred manufacturing process, then upload your design file.
Get a Quote
/02Select materials, surface finishes, and shipping options. Receive an online injection molding quote and manufacturability feedback in one day.
Review T1 Sample
/03We produce a T1 sample for your approve. Check every detail to match your specifications. This step usually takes two weeks.
Production Begins
/04After approving the sample, we move to full-scale production, maintaining high standards of quality and precision.
Delivery
/05We ship your custom injection molded parts from our China injection molding facilities to your location, ready for immediate use.
Ready to Start
/06Start your injection molding project with SANGO. Experience efficiency like never before!
Injection Molding Manufacturing Network
SANGO injection molding network combines 50 advanced machines capable of 90 to 830 tons with experienced project managers to handle projects of any size or complexity. We produce plastic molded prototypes and production parts with global shipping from China’s injection molding supplier.
Injection Molding Capabilities
Our injection molding services cover every stage, from design to delivery. We produce prototypes and large-scale parts with tight tolerances, certified quality, and quick lead times for global customers.
Applications of Injection Molding
SANGO’s injection molding infrastructure supports high-precision component production across automotive, medical devices, consumer electronics, and industrial equipment. From rapid prototype tooling to high-volume production runs, our validated press controls maintain strict dimensional tolerances and consistent part-to-part repeatability.
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