About
Based in Shenzhen, China, Plasticpartsmfg provides end-to-end custom plastic component manufacturing solutions. From early-stage functional prototyping and bridge tooling to low-volume batches and ongoing contract manufacturing, we engineer precise plastic components strictly according to technical CAD drawings, engineering specifications, and rigorous quality standards.
Engineered for Product Teams, Mechanical Engineers & Buyers
At Plasticpartsmfg, we understand that foreign procurement managers and hardware designers require accurate dimensional stability, validated resin grades, and predictable turnaround rather than boilerplate claims.
Whether fulfilling critical PEEK components machined to tight tolerances or handling pre-series ABS injection molding runs, our operational structure eliminates technical friction. Every inquiry begins with direct DFM (Design for Manufacturability) analysis, verifying wall thickness, draft angles, machining access, and thermal properties before production starts.
STEP (.stp, .step) / IGES (.igs) / Parasolid (.x_t) / STL / DXF / DWG / PDF
Prototype & Proof-of-Concept
Fast turnarounds for 1 to 20 parts. Rapid functional evaluation using high-precision 3D printing (SLA/SLS), CNC plastic machining, and laser cutting without tooling investment.
Lead Time: 2–5 Working DaysDesign Validation & Testing
Batches of 10 to 100 units machined from certified stock or cast via polyurethane silicone tooling (vacuum casting) for structural, thermal, and fit validation.
Production-Grade PropertiesLow-Volume Bridge Tooling
Quantities of 50 to 5,000 units. Rapid aluminum or soft steel molds bridge the gap between pilot runs and multi-cavity mass manufacturing, saving significant upfront capital.
Optimized Unit EconomicsContract Manufacturing
Full-scale injection molding, blow molding, thermoforming, and rotational molding. Integrated secondary finishing, threaded insert installation, and multi-part sub-assembly.
Repeat Order ConsistencyOur Core Production Processes
We match project geometry, dimensional tolerance, annual volume, and budget against the optimal plastic conversion technology.
Plastic CNC Machining
±0.05 mmHigh-precision 3-axis, 4-axis, and 5-axis milling and turning for dense engineering polymers without mold tooling fees.
Plastic Injection Molding
ScalableCustom rapid tooling and multi-cavity hardened steel molds for enclosures, structural internal frames, and consumer housings.
Vacuum Casting & Silicone Molds
20–50 pcsPolyurethane casting in room-temperature vulcanized (RTV) silicone molds replicating true injection molding mechanical finishes.
Industrial 3D Printing
Zero ToolingSLA for smooth visual cosmetics, SLS nylon for rugged functional parts, and FDM/MJF for robust internal ducting and jigs.
Thermoforming & Vacuum Forming
Large FormatsCost-effective manufacturing for thin-wall packaging trays and heavy-gauge thick-sheet machine covers and panels.
Blow & Rotational Molding
Hollow PartsExtrusion blow molding for plastic containers and bottles; rotational molding for heavy-duty, stress-free tanks and ductwork.
Resin Selection & Operational Standards
Raw polymers are selected based on wear resistance, operating temperature, tensile strength, optical clarity, flame retardancy, and dielectric requirements.
| Category | Material Grades | Primary Characteristics | Recommended Process |
|---|---|---|---|
| Commodity Plastics | ABS, PP, PE, HDPE, PVC | Economical, impact resistance, chemical resistance, lightweight | Injection Molding, Blow Molding, Thermoforming, CNC |
| Optical & Aesthetic | PC, PMMA (Acrylic), PET | High clarity, light transmission, surface polish, scratch resistance | CNC Machining, Injection Molding, Laser Cutting |
| Engineering Polymers | POM (Delrin), PA (Nylon 6/66), PBT | Low friction, wear resistance, dimensional rigidity, fatigue strength | CNC Machining, Injection Molding |
| High-Performance | PEEK, PPS, PSU, PPSU | Extreme thermal endurance (>200°C), sterilizable, chemical inertness | Precision CNC Machining, Specialized Molding |
Secondary Operations
Comprehensive post-processing including sandblasting, mirror polishing, polyurethane painting (Pantone / RAL), silk screen printing, laser marking, pad printing, and ultrasonic bonding.
Hardware & Assembly
Installation of brass threaded heat-stake inserts, self-tapping screws, Helicoil inserts, gasket sealing, adhesive bonding, sub-assembly, and functional mechanism testing.
Inspection & Verification
Full dimensional checks via vernier calipers, micrometers, optical pin gauges, and Coordinate Measuring Machines (CMM) with First Article Inspection (FAI) reports available upon request.
Industries We Support
Our custom components are integrated into mission-critical hardware across global OEM, robotics, and industrial automation assemblies.
Wear strips, drive gears, sliding bushings, manifold blocks, sensor brackets, and structural POM/PEEK machined plates.
Lightweight structural chassis, aerodynamic shells, motor spacers, battery brackets, and nylon impact guards.
Flame-retardant ABS/PC housings, clear optical light guides (PMMA), weather-sealed outdoor enclosures, and snap-fit covers.
Fluidic manifolds, diagnostic test housings, chemical-resistant fluid reservoirs, instrument bezels, and PPSU components.
Send Your CAD Drawings for Technical Evaluation
Upload your 3D models (STEP, STP, IGES, X_T, STL) and 2D engineering drawings with specific tolerances, resin preferences, and quantities. Our engineering team will return a manufacturability review and itemized quotation.