Who We Are- Swellder plastics thermofomring
We are a professional vacuum forming supplier and thermoforming factory based in China, specializing in custom plastic packaging, industrial trays, medical device components, and automotive parts. With over 20 years of experience in the thermoforming industry, we combine advanced manufacturing equipment with in-house mold design and strict quality control.
Unlike trading companies, we operate as a true thermoforming factory, giving you direct access to production, lower costs, and faster lead times.
Our Core Manufacturing Capabilities
As a leading thermoforming supplier, we support both vacuum forming and thermoforming across a wide range of materials and thicknesses.
Equipment: High speed thermoforming machines, thin sheet thermoforming machines, thick gauge thermoforming machines
Materials: ABS, PS, PET, PP, HIPS, PE, PC, PMMA, ABS+ASA, PETG
Thickness range: 0.2mm – 12mm
Maximum forming area: 3000mm × 1500mm
Mold types: Aluminum molds (for production) & resin molds (for prototyping)
Services: CNC trimming, punching, printing, and assembly
Whether you need packing trays or thin-gauge packaging, we deliver consistent quality at competitive prices.

Why Choose Us as Your Thermoforming Supplier
Here is why global customers trust us as their reliable vacuum forming supplier:
Real factory, no middlemen – You speak directly to our production team.
In-house mold making – Save 30–40% mold cost and 7–10 days of lead time.
ISO 9001:2015 certified – Full traceability from raw material to finished part.
7-day sample available – Quick turnaround for design validation.
Flexible MOQ – From trial orders of 500 pcs to mass production of 500k+ pcs.
Quality assurance – 3-step inspection: incoming material, in-process, and final check.
We don't just sell parts – we provide engineering support to optimize your design for thermoforming.

Industries We Serve
Our thermoforming solutions are used across many industries:
| Industry | Typical Products |
|---|---|
| Package | ESD packing trays, automotive parts, power tools tray, foof grade tray, medical tray, hardware parts tray, industry parts packing tray |
| Medical | Medical equipment enclosure, medical device shell, medical light diffuser, medical light cover |
| Automotive | Interior panels, battery covers, trunk liners, exterior parts, ev parts, new energy plastic parts |
| Electronics | Anti-static trays for PCB, IC trays |
| Industrial | Pallet trays, equipment covers |
If your industry is not listed, please contact us – we handle custom projects daily.
Custom Thermoforming Process
We follow a clear and transparent process from inquiry to delivery:
Design & DFM review – We check your 3D/2D drawing for formability.
Mold making – Aluminum or resin mold
Material selection – We help you choose the right plastic grade (flame-retardant, food-grade, anti-static, etc.).
Thermoforming / Vacuum Forming – Production on our thermoforming machines.
Trimming & finishing – CNC trimming, hole punching, or edge finishing.
Quality control – Dimension check, visual inspection, and function test.
Packaging & shipping – Safe export packaging (pallet, carton, or custom).
Every vacuum forming supplier order follows this same strict workflow to ensure consistency.
FAQ – Common Questions About Our Vacuum Forming Factory
Q: Are you a real thermoforming factory or a trading company?
A: We are a real thermoforming factory with our own production line, mold shop, and QC team. You are welcome to video call or visit our facility in suzhou.
Q: What is your MOQ for custom vacuum forming?
A: We do not have a fixed MOQ. For small batch testing, we accept orders from 500 pieces. For mass production, typical MOQ is 5,000–10,000 pieces depending on part size.
Q: Can you handle large deep-draw thermoforming?
A: Yes. Our machines support draw depths up to 300mm for large trays and enclosures.
Q: Do you support small batch trial orders before mass production?
A: Absolutely. Many customers start with a trial order of 500–2,000 pieces to validate design and quality.
Q: How long does mold making take?
A: Aluminum mold: 7–10 days. Prototype mold: 3–5 days.
Contact Our Thermoforming Factory Today
Looking for a reliable vacuum forming supplier or thermoforming factory in China?
Send us your drawing (PDF, DWG, or STEP), target material, and estimated quantity. We will reply with a free design review and a competitive quote within 24 hours.
Email: elena.zheng@swellderplastics.com
Website: www.swellderplkastics.com
WhatsApp/WeChat: +8613617041545 Elena

