{"id":"2d4609ce-20f3-4ca5-b9c7-a2b14562780a","slug":"cu-circuits","name":"Cu Circuits","legalName":"Cu Circuits Private Limited","otherNames":[],"website":"https://cucircuits.com","roles":["manufacturer"],"description":"Chennai-based PCB manufacturer that makes rigid, flex, rigid-flex, aluminium and high-frequency boards from customer design files. It also offers 3D printing. It serves customers across India and works from online quotes.","notes":"**PCB specs**\n- 1–16 layers, FR4, Rogers and aluminium base\n- Min trace/space 0.1 mm / 0.1 mm; min hole 0.2 mm\n- Board thickness 0.4–3.2 mm; copper 0.5–4 oz\n- Finishes HASL, ENIG, OSP\n- Solder mask in green, black, red or blue\n- Input formats Gerber, ODB++, IPC-2581\n\n**3D printing**\n- FDM, SLA, SLS (also MJF and DMLS listed)\n- Materials PLA, ABS, PETG, resin\n- Build volume 300×300×400 mm; tolerance ±0.2 mm\n- Input formats STL, STEP, OBJ\n\n**Quality**\n- AOI, electrical testing and manual QC before dispatch\n\n**Delivery**\n- Express 48 hr delivery options across India\n- Orders processed within 2 hours (3D prints) or 24 hours (PCBs)\n- Customer's choice of carrier; shipments insured","yearEstablished":2021,"languages":["en"],"serviceArea":"India","engagement":{"type":"request_quote","how":"Quotes are generated through an instant online quote tool that takes uploaded design files and runs a DFM check. Email: queries@cucircuits.com.","responseTime":null,"needs":["Gerber, ODB++ or IPC-2581 files for PCBs (STL/STEP/OBJ for 3D prints)","Quantity","Layer count, board material and thickness","Surface finish and copper weight","Required turnaround"]},"city":"Chennai","cities":["Chennai"],"state":"Tamil Nadu","locations":[{"kind":"factory","address":"Second Floor, No 41, Siva Nivas, Sadulla Street, T. Nagar, Chennai 600017, Tamil Nadu, India"}],"identifiers":[{"scheme":"GSTIN","value":"33AAJCC3995Q1ZV"}],"credentials":[],"contacts":[{"channel":"email","value":"queries@cucircuits.com","purpose":"general","who":null,"hours":null,"digital":true}],"agentReachable":true,"hasPrivateContacts":false,"offerings":[{"id":"c68679be-9235-411e-83cb-b0721403e7bf","kind":"custom_production","title":"3D printing","description":"3D printing of customer-supplied designs in plastics and resin.","notes":"- FDM, SLA, SLS; MJF and DMLS also listed\n- PLA, ABS, PETG, resin\n- Layer resolution 50–300 µm\n- Build volume 300×300×400 mm; ±0.2 mm tolerance","minOrder":null,"leadTime":null,"pricing":"quote only"},{"id":"17f19bf8-f175-48b1-b132-bdd31778f776","kind":"custom_production","title":"PCB manufacturing","description":"Rigid, flex, rigid-flex, aluminium and high-frequency PCBs, from prototype to production, made from customer files.","notes":"- 1–16 layers; FR4, Rogers, aluminium\n- 0.1/0.1 mm trace/space; 0.2 mm min hole\n- HASL, ENIG, OSP finishes\n- Turnaround 24h–7 days\n- AOI and electrical testing","minOrder":"Min. Order Qty5 Unit(s)","leadTime":"Turnaround24h – 7 Days","pricing":"quote only"}],"sources":[{"url":"https://cucircuits.com/","fetchedAt":"2026-10-11"}],"verifiedAt":null,"lastUpdated":"2026-10-11","lastVisited":"2026-10-11"}