OpeningYour drawing is the starting point. We machine the part exactly to that drawing, then verify every critical dimension before shipment. No surprises. No guesswork.Tolerance:
Custom Heat Sinks & Aluminum Cold Plates | Precision Manufacturing Made in China
OpeningYour drawing is the starting point. We machine the part exactly to that drawing, then verify every critical dimension before shipment. No surprises. No guesswork.Tolerance: ±0.05 mm on CNC-mach
Get a Fast Quote for This Part
Send us your drawing / quantity / material — reply within 24h.
Your drawing is the starting point. We machine the part exactly to that drawing, then verify every critical dimension before shipment. No surprises. No guesswork.
Tolerance: ±0.05 mm on CNC-machined features
Lead time: 10–15 working days for prototypes, 20–25 for production runs
No MOQ: order 1 piece or 10,000 pieces
Surface finish: 63 Ra (1.6 µm) standard, 32 Ra (0.8 µm) available
100% inspection report included with every batch
We are a precision manufacturing factory in Dongguan, China, with 20 years of experience across CNC machining, metal stamping, springs, and heat sinks. One factory, four processes, full control.
All values are standard for custom heat sinks and liquid cooling plates. If your drawing requires tighter tolerances, we adjust the process and quote accordingly.
Three Reasons Buyers Send Us Their Drawings
1. Batch-traceable quality.
Every batch gets a unique job number. Material certificates, machine logs, and inspection records are tied to that number. If a problem appears in your assembly line six months later, we trace it back to the exact batch, the exact machine, and the exact operator. No finger-pointing. No vague answers.
2. Inspection report per batch.
You do not have to trust our word. We send a full dimensional report with every shipment. Critical features are measured on a CMM and documented. For cold plates, we include pressure test and helium leak test results. You verify the numbers against your drawing. That is it.
3. One factory for CNC, stamping, springs, and heat sinks.
Most suppliers outsource half their work. We do not. Your heat sink base is CNC-machined, your mounting clips are stamped, your compression springs are wound, and your cold plate is welded — all under one roof. Fewer vendors, shorter lead times, and one accountable partner. This is precision manufacturing the way it should work.
Where These Parts Are Used
Custom heat sinks and aluminum cold plates from our factory go into equipment that runs hot and cannot afford to fail.
Power electronics: IGBT modules, SiC inverters, and rectifiers in industrial drives and railway traction. Cold plates keep junction temperatures below 85 °C.
Telecom base stations: 5G remote radio units (RRUs) with passive heat sinks and liquid-cooled variants for high-density outdoor cabinets.
Medical lasers: Liquid-cooled plates for diode lasers and solid-state lasers, where stable thermal control is critical for beam quality.
EV battery cooling: Aluminum cold plates for prismatic and pouch cell cooling in electric vehicles and stationary energy storage.
Data center servers: Skived-fin heat sinks for CPUs and GPUs, plus cold plates for direct-to-chip liquid cooling.
Industrial automation: Servo drives, motor controllers, and welding equipment with forced-air heat sinks.
If your part moves heat from a source to a sink — air or liquid — we can machine it.
Q: What is your MOQ?
A: No MOQ. We machine one prototype for validation, then scale to your volume. Prototype pricing is slightly higher per piece, but production pricing drops with quantity.
Q: How do you guarantee tolerance and quality?
A: We inspect 100% of critical dimensions on every batch. For cold plates, we pressure test and helium leak test each unit. The inspection report is included in the shipment. If a part is out of tolerance, we replace it at our cost.
Q: What is the lead time for a custom heat sink?
A: Prototypes: 10–15 working days from drawing approval. Production: 20–25 working days. For urgent orders, we can expedite to 7 days for prototypes, subject to machine availability.
Q: Can you provide material certificates?
A: Yes. We supply mill certificates for aluminum and copper, plus RoHS and REACH compliance documents. For aerospace or automotive applications, we provide full traceability documentation.
Send Your Drawing
Email your 2D or 3D drawing to sc@bquq.com. We reply with a firm quote within 12 hours. For urgent inquiries, WhatsApp us at +86 13713157787.
Include your target quantity, required surface finish, and any test specifications. We handle the rest. Custom heat sinks, made in China, with no MOQ and full traceability. Send the drawing — we will make it right.
