.jpg)
Get Precision Parts at 30–50% Less Than China
From a single prototype to 100,000+ production runs — backed by 50+ audited factories, ISO certifications, and 99.2% on-time delivery.
CNC Machining
±0.005 mmHigh-precision CNC milling and turning for prototypes and production runs. We work with aluminum, stainless steel, titanium, brass, copper, and engineering plastics.
- 3-axis, 4-axis & 5-axis milling
- CNC turning & Swiss-type lathes
- Surface finishing: anodizing, plating, powder coating
- Batch sizes from 1 to 100,000+
Tube Laser Cutting & Bending
±0.005"Trumpf & BLM · Square & Round Profiles
Consolidate sawing, drilling, and milling into one setup. Our CNC tube lasers handle round, square, and custom profiles for highly accurate structural frames.
- Round, square & custom profiles
- Steel, Stainless, Aluminum
- High-speed automated loading
- Integrated bending options
Sheet Metal Fabrication
±0.1 mmStamping · Bending · Welding
Full-service sheet metal fabrication including laser cutting, stamping, bending, and TIG/MIG welding. Ideal for enclosures, brackets, chassis, and structural components.
- Laser cutting up to 20 mm steel
- Progressive die stamping
- CNC press brake bending
- TIG, MIG, spot & robotic welding
Aluminum Die-Casting
±0.05 mmHigh-pressure aluminum die-casting for complex, high-volume parts. We handle tooling design, casting, CNC post-machining, and surface treatment in-house.
- Cold chamber die-casting 200T–2000T
- Tooling design & fabrication
- Post-machining & deburring
- X-ray & CT inspection available
/Kahong%20-%20Photo/Injection%20machine.JPG)
Plastic Injection Molding
±0.02 mmPrecision injection molding for consumer, industrial, and medical-grade plastic parts. We support tooling, DFM analysis, and full production.
- Mold design & fabrication
- Multi-cavity & family molds
- Insert molding & overmolding
- Materials: ABS, PC, PP, PA, POM, PEEK
/Changzhi%20%20-%20Photo/Atmosphere%20furnace.jpg)
Powder Metallurgy
±0.05 mmMetal injection molding (MIM) and sintered metal parts for complex geometries that are difficult or expensive to machine. Excellent for high-volume production.
- Metal Injection Molding (MIM)
- Press & sinter (PM)
- Secondary operations: sizing, coining
- Materials: stainless steel, iron, tungsten, copper
Wire EDM
±0.002 mmWire EDM and Sinker EDM from Dolphin-audited Vietnam factories. Tolerances to ±0.002mm. Tool steels (D2, H13), titanium, carbide, Inconel — verified Fanuc/Makino/Mitsubishi machines. Full FAI/PPAP documentation. 16+ FTA tariff advantage for US, EU, CPTPP, and UK buyers.
- Wire EDM ±0.002mm / Sinker EDM 3D cavities
- Materials: D2/H13, titanium, carbide, Inconel, aluminum
- Fine wire 0.1mm for internal corners to R0.05mm
- FAI + PPAP + VCCI Form B COO documentation
- Fanuc / Makino / Mitsubishi machines verified on-site
Sand Casting
CT5–CT10 (ISO 8062)Gray iron, ductile iron, carbon steel, stainless, and aluminum sand castings from Dolphin-audited Vietnam foundries. OES spectrometer verified, ductile iron nodularity checked, VCCI Form B COO managed. 16+ FTA markets covered.
- Green sand, no-bake, shell mold processes
- Gray iron / ductile iron / WCB steel / CF8M / A356 Al
- Part weight 0.5–50,000 kg by process
- OES chemistry cert (EN 10204 3.1) + Brinell hardness
- FAI/PPAP documentation + VCCI Form B COO
.jpg)
Forging
±0.5 mm (hot) / ±0.05 mm (cold)Hot forging, cold forging, ring rolling, and open-die forging from 178+ audited Vietnam factories. Steel, aluminum, and titanium parts with superior grain-flow strength. ISO 9001 & IATF 16949 certified. 50-point Dolphin audit on every factory.
- Hot, cold, warm & open-die forging
- Press range: 500T–5,000T
- Materials: alloy steels, aluminum, titanium, stainless
- Heat treatment, CNC finish & NDT in-house
Welding & Fabrication
±0.5 mmCustom welding and weldment assembly from AWS-certified Vietnam factories. TIG, MIG, robotic, spot, and laser welding for structural frames, enclosures, pipe assemblies, and multi-component builds.
- TIG, MIG, robotic, spot & laser welding
- AWS D1.1/D1.2 & ISO 3834 certified
- Structural weldments up to 6m, 10 tons
- Full NDE: VT, PT, MT, UT, RT inspection
Assembly & Weldment Services
BOM-basedTurnkey mechanical, welded, and electromechanical assembly from 178+ audited Vietnam factories. Sub-assemblies, box builds, wiring harnesses, and complete product assembly with on-ground inspection.
- Mechanical, welded & electromechanical assembly
- Box builds and final product assembly
- Full BOM procurement from our factory network
- 50-point Dolphin audit per assembly factory
3D Printing & Additive Manufacturing
±0.05 mmIndustrial 3D printing for rapid prototyping and production. SLA, SLS, MJF, FDM, and DMLS metal printing with 50+ materials. Parts in as fast as 24 hours.
- SLA, SLS, MJF, FDM, DMLS, Binder Jetting
- Prototypes in 24–72 hours
- Production runs via MJF/SLS (100–10,000+)
- Post-processing: smoothing, dyeing, machining
Not Sure Which Process You Need? We'll Figure It Out.
Upload your drawings and our engineering team will recommend the best process, material, and factory match — within 24 hours.
100% free · No obligation · NDA available
Get My Free Quote Now →