Engineering Support & Customer Service

Quote requirement (for PCB or PCBA projects)

  1. Gerber file or PCB file for bare PCB board p
  2. BOM list (Bill of Components) for assembly, PNP (Pick and Place File) with each components’ p
  3. PCB quantity & parameters(including material, layer,copper thickness, board thickness, surface finishing, solder mask/silkscreen ..)
  4. BOM list should mention detail information of each kind of componnents
    (including Qty. Ref No. Value, Package, Description, Supplier or Supplier Ref etc...)
  5. Testing tools and testing guideline or method.
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Only ZIP OR RAR files, up to 25Mb, you can contact us directly by sales@12pcb.com

Fast, Reliable & Affordable 3D Printing Services

Bring your ideas to life with our expert 3D printing solutions. We offer high-precision additive manufacturing for prototyping, product development, and small-batch production—with fast turnaround and competitive pricing. Send us your CAD file and preferred material via email to receive an instant quote.

SLA - Photosensitive Resin

SLA - Photosensitive Resin

MJF-PA12 HP Nylon

MJF-PA12 HP Nylon

SLS -3201PA-F

SLS -3201PA-F

SLM -316L stainless steel

SLM -316L stainless steel

Design Instruction for SLA
FeaturesRecommended Slze
Minimum Build Size5mm*5mm*5mm
Maximum Build Size780mm*780mm*530mm
Recommended wall thickness0.8mm
Minimum Embossed&Engraved Details0.5mm deep&0.5mm wide
Minimum Clearance(between parts that wil be assembled together)0.2mm
Minimum Clearance (between two moving or connecting pats)0.5mm
Threads DesignThread pitch-05mm
Minimum Escape Hole Diameter2.5mm
Minimum Holes design1.0mm
Minimum column design1.0mm
FeaturesRecommended Slze
Minimum Build size5mm*5mm"5mm
Maximum Buld SizeNylon PA12-370mm*275mm*360mm/Nylon PAC-320mm*175mm*225mm
Recommended wall thickness1.0mm
Minimum Embossed&Engraved Details0.5mm deep&0.5mm wide
Minimum Clearance (between parts that wil be assembled together)0.2mm-0.4mm
Minimum Clearance(between two moving or connecting parts)0.6mm
Threads DesignThread pitch-0.6mm
Minimum Escape Hole Diameter2.5mm
Minimum Holes design1.5mm
Minimum column design2.0mm
FeaturesRecommended Slze
Minimum Build Size  5mm*5mm*5mm
Maximum Buid Size  250mm*250mm*292mm
Recommended wall thickness  1.5mm
Minimum Embossed &Engraved Detailis  1.0 mm deep&1.0mm wide
Minimum Clearance (between parts that will be assembled together)  0.2mm
Minimum Clearance (between two moving or connecting parts)  1.0mm
Threads Design  Thread pitch-1.0mm
Minimum Escape Hole Diameter  2.5mm
Minimum Holes desgn  1.5mm
Minimum column design  1.5mm
FeaturesRecommended Slze
Minimum Buid Size30mm*30mm*15mm
Maximum Build Size550mm480mm*480mm
Recommended wall thickness1.2mm
Minimum Embossed &Engraved Detalls1.0mm deep&1.0 mm wide
Minimum Clearance (between parts that wil be assembled together)0.5mm
Minimum Clearance (between two moving or connecting parts)0.5mm
Threads DesignThread pitch-1.Dmm
Minimum Escape Hole Diameter2.5mm
Minimum Holes design3.0mm
Minirmum column design2.5mm
    Features  Recommended Size
    Minimum Build Size  5mm*5mm*5mm
    Maximum Buid Size  400mm*350mm*350mm
    Recommended wall thickness  1.0mm
    Minimum Embossed &Engraved Detalls  0.8mm deep&0.8 mm wide
    Minimum Clearance (between parts that wil be assembled together)  0.2mm
    Minimum Clearance (between two moving o connecting parts)  0.6mm
    ThreadsDesign  Thread pitch-0.6mm
    Minimum Escape Hole Diameter  2.5mm
    Minimum Holes design  1.5mm
    Minimum column design  2.0mm
FeaturesRecommended Slze
Minimum Build Size  5mm5mm*5mm
Maximum Buld Size  390mmx340mmx240mm
Minimum wall thickness   1mm
Minimum Embossed&Engraved Details    D.8mmD&0.8mmw
Minimum Clearance (between parts that wil be assembled together)    0.2mm
Minimum Clearance (between two moving or connecting pars)    1.5mm
Threads Design    1.5mm

Custom CNC Machined Parts

We provide fast, accurate, and affordable CNC machining services for metal and plastic components. Our in-house CNC milling and turning capabilities deliver high-quality parts with tight tolerances and reliable consistency. We support industries including aerospace, automotive, electronics, medical, and consumer products—whether you need functional prototypes or low-volume production runs. Send us your CAD file and preferred material via email to receive an instant quote.
CNC -Aluminum 7075

CNC -Aluminum 7075

CNC- StainIless

CNC- StainIless

CNC-ABS

CNC-ABS

CNC-Brass

CNC Machining Capabilities
  Feature  Description
  Maximum Part Size  1000x800x550 mm
  General Tolerances  ±0.05 mm
  Smallest Roughness  Ra1.6μm
  Standard Lead Time  3 business days
  Machines  CNC Miling(3-, 4- & full 5-axis), CNC Turning, Electic Discharge CNC Machines, and Wire Cutting machines
Features   Description
Max Build Size(5-Axis)   270x260x230mm
Minimum Build Size(3-Axis)   5x5x1mm
Minimum Build Size(5-Axis)   5x5x1mm
Recommend Size(3-Axis)   5-800mm
Recommend Size(5-Axis)   5-250mm
Min.Accuracy (3-Axis &5-Axis)   ±0.02mm
Recommend Accuracy(3-Axis &5-Axis)   ±0.05mm
Max   Build   Size(3-Axis)    800x600x400mm
Features  Description
Max Build Size   Φ230, length 300
Minimum Build Size   Φ3
Recommend Size   6-230mm
Recommend Accuracy   ±0.05mm