Real production case studies from our factory: CNC machined parts, metal stamping, custom springs and heat sinks - tolerances, materials, volumes and delivery data.
Optical instrument mount CNC machining case: 6061-T6 aluminum, ±0.005mm critical hole positions, Ra0.8 finish, black anodized, 300-800 pcs/month, 3-7 day samples. BQUQ precision CNC.
Hydraulic valve manifold CNC machining case: 6061-T6 aluminum, ±0.02mm on deep cross-drilled circuits, Ra0.4 seal faces, 200-1000 pcs/month, 12-20 day first batch. BQUQ CNC.
Solar junction box terminal stamping case: T2 copper 0.8mm±0.02mm, tin plating 3-5μm, progressive die, 500K-1.5M pcs/month with consistent contact resistance. BQUQ precision stamping.
Relay reed contact stamping case: C5191 phosphor bronze 0.3mm±0.01mm, spring force ±5%, burr ≤0.03mm, nickel plated, 800K-2M pcs/month. BQUQ precision stamping.
TWS battery contact spring case: 304 stainless steel, 0.3mm wire, ±3% force tolerance, nickel plating, 100K-cycle life, 1M-3M pcs/month by BQUQ.
Valve return compression spring case: music wire, 1.2mm wire diameter, ±3% force tolerance, black oxide, 2M-cycle fatigue validated at 5M cycles. BQUQ.
Sensor socket wire form spring case: 302 stainless steel, 0.5mm wire, ±0.05mm 3D forming, ±5% contact force consistency, deburred and nickel plated. BQUQ.
LED high bay heatsink case: 6063-T5 extrusion, φ150mm × 180mm, 0.8mm fins, 0.05mm mounting face flatness, black anodized ε≥0.85, 5K-20K pcs/month. BQUQ thermal solutions.
VFD inverter heatsink case: 6063-T5 extrusion with 1.0mm fins, CNC-machined IGBT base flatness 0.05mm, ±0.1mm fan holes, black anodized, 8K-30K pcs/month. BQUQ.
1U server stamped fin heatsink case: 6063 aluminum, 0.3mm stamped fins, swaged fin assembly, 0.05mm base flatness, black anodized, 10K-50K pcs/month. BQUQ thermal manufacturing.
Semiconductor vacuum chamber part CNC case: 316L stainless, ±0.01mm flatness, Ra0.4 sealing faces, UHV-clean, 50-200 pcs/batch, 15-day lead. BQUQ.
UAV airframe bracket CNC case: 7075-T6 aluminum, 0.8mm thin walls, ±0.01mm hole positions, hard anodized, weight-optimized, 300 pcs/month. BQUQ.
Surgical robot joint base CNC machining in Ti-6Al-4V: ±0.005mm bearing bore, Ra0.4 finish, 100 pcs/month, samples in 5 days, cleanroom-ready. BQUQ.
Data center busbar stamping in T2 copper, 2mm stock: high-conductivity busbars, tin plating, low contact resistance, controlled flatness, 100K pcs/month. BQUQ.
EV battery connector plate stamping: 1060 aluminum, 0.8mm, holes ±0.05mm, flatness 0.1mm/100mm after nickel plating, 200K pcs/month. BQUQ ISO9001:2015.
Camera module EMI shield stamping in 0.15mm SUS304: deep-drawn cup depth ±0.03mm, nickel plated, 5M pcs/month on progressive dies. BQUQ ISO9001:2015.
Case study: 65Mn seatbelt retractor spiral spring, constant torque within ±5%, 200,000-cycle fatigue verified, 50,000 pcs/month, 18-day first batch. BQUQ.
Case study: 302 stainless injection pen torsion spring, ±3% torque, 5,000,000-cycle fatigue verified, 300,000 pcs/month, clean burr-free finish. BQUQ.
EV IGBT power module heat sink in 6063-T5: extruded profile, CNC mounting face at 0.05mm flatness, seal groove to ±0.01mm, 5,000 pcs/month. BQUQ.
5G RRU heat sink: 300mm 6063-T5 extruded profile, CNC-machined face at 0.05mm flatness, black anodized with masked pads, 10,000 pcs/month. BQUQ ISO9001:2015.
Robot gripper return torsion springs: constant torque ±5%, 10-million-cycle life verification, double-torsion formed in one pass, 48-hour samples. BQUQ custom torsion springs.
Server CPU heat sinks: extruded base plus stamped-fin assembly, fins down to 0.3mm, ramp from sample to 50K pcs/month in two months, thermal test reports included. BQUQ heat sinks.
Consumer electronics stamped heat sinks: progressive die high-volume stamping with bends and locating holes, black anodized, 1M pcs/month at 30% lower cost. BQUQ stamping.
Robot joint module synergy case: CNC housing, torsion springs, stamped contacts and micro heat sinks from one factory - one drawing handoff, unified scheduling, one inspection report set. BQUQ multi-process.
Racing and performance car lightweight CNC parts: TC4 titanium rods and 7075-T6 brackets, holes ±0.005mm, 50-200 piece batches, fully traceable reports. BQUQ precision machining.
Auto lathe collets and guide bushings: bearing steel hardened to HRC58-62 and ground, gripping runout ≤0.003mm, types 15-52 and ER series, samples in 10 days. BQUQ collet machining.
Orthopedic instrument shafts machined from 316L stainless: Ra0.4 mating surfaces, autoclave-stable, small-batch multi-variant with 10-day samples. BQUQ medical-grade CNC.
Telecom structural components machined in one setup on a 4-axis center: unified datums, hole positions ±0.008mm, modular fixtures for fast revisions. BQUQ precision CNC.
Consumer electronics battery shrapnel: 0.12mm stainless, 16-station progressive die, selective gold plating on contacts, 3W-cycle life, 2M pcs/month. BQUQ precision stamping.
Server EMI shielding covers stamped from 0.5mm galvanized steel: 60+ finger springs formed in one die, flatness ≤0.3mm, 50K pcs/month. BQUQ precision stamping.
One factory, four process lines — CNC machining, metal stamping, custom springs and heat sinks, all under ISO9001:2015 with 3–7 day sampling.
