161 Selandia Lane
Carson, CA 90746
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PCB Assembly

Yun Industrial PCB Assembly

Yun Industrial Acme PCB Assembly is capable of two types of printed circuit board assembly services. They are full and partial turn-key services. Full Turn-Key covers all aspects of PCB fabrication and assembly, including manufacture of PCBs, parts procurement, quality inspections, and final PCB assembly.

In Partial Turn-Key, the customer is responsible for supplying the PCBs and a partial list of parts. Yun Indsutries Acme PCB Assembly will order the remaining parts and perform the assembly according to the customer’s requirements. We can also kit the parts.

Supported Capabilities of our Circuit Card Assembly Services:

Types THD (Thru-Hole Device)
SMT (Surface-Mount Technology)
SMT & THD mixed
2 sided SMT and THD assembly
Quantities 1 – 10,000 PCBs
Parts/Components Passives parts, smallest size 01 005 (which is about ¼ size of 0201)
Fine pitch to 8 Mils
BGA, uBGA, QFN,POP and Leadless chips
Connectors and terminals
Component Package Reels
Cut tape
Tube and tray
Loose parts and bulk
Dimensions Smallest: 0.2″ x 0.2″
Largest: 15″ x 20″
Shape of PCBs Rectangular
Slots and Cut outs
Complex and Irregular
Type of PCBs Rigid FR-4
Rigid-Flex boards
Types of Assembly Process Leaded process
Lead-Free (RoHS)
File Format of PCB Design Bill of Materials (.xls, .csv, . xlsx)
Centroid data file (Pick-N-Place/XY file)
Sales/Support Emails
Electrical testing X-ray Inspection
Automated Optical Inspection
Functional testing
Profile of Ovens Standard

How We Test Our Final Automated Circuit Assemblies

Yun Industrial Acme PCB Assembly uses a variety of testing methodologies to ensure the assembled boards are functional prior to shipping. They are:

  1. Basic Quality Test: visual inspection.
  2. X-ray Inspection: tests for BGAs, QFN and bare PCBs.
  3. AOI Checks: tests for solder paste, 0201 components, missing components and polarity.
  4. ICT (In-Circuit Test) / Functional test: according to the customer’s testing procedures.

ISO 9001 Quality Certification

Yun Industrial Acme PCB Assembly production facilities are ISO9001 certified.


We provide a complete suite of add-on PCB services including hand soldering, wire stripping, and more.