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Shenzhen Baiqiancheng Electronic Co.,Ltd.(BQC)
Address:No.343,Changfeng Road,Changzhen Community, Guangming New District,Shenzhen,Guangdong Province, China 518132
Tel:86-0755-26788241
Fax:86-0755-26788245
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BQC is a reliable electronic contract manufacture factory, which has dedicated in EMS service about 16 years with extensive experience. Our factory has advanced PCBA manufacture equipments, has committed to help customer to improve competitiveness, shorter lead time and better quality. Our producing is full of flexibility and equipments are high performance. With these advantages, we could produce all kinds of electronic products.

In the EMS industry,BQC is more than a PCBA manufacturer. We firmly grasp the two key qualities of electronic products:Advanced equipment and satisfied manufacturing capabilities.

For manufacturing services,we have the following services,

1.Our pcba assembly services (Meet the requirement of RoHS, Reach):
1) PCB layout services
2)Single and double-sided PCB
3) Multilayer PCB, up to 16 layers
4) Provide RoHS, Reach,UL PCB bare boards
5) Printed circuit board (PCB), rigid board/flexible board manufacturing services
6) Laser Stencil
7)Both small and big order of pcba manufacturing
8)Provide PCBA service from prototyping to mass production
9) Electrical Test
10)Selective wave soldering
11) undertake a small number of multi-layer high-precision high-complicate board manufacturing and assembly service

2. SMT Assembly Mass production and Prototying service ,130 employees
1)Capacity
Mass production SMT productivity: 12 complete automatic SMT production lines, 14 million points/day
Prototying workshop SMT productivity: 4 complete automatic SMT production lines, 6 million points/day

2) Mass production workshop SMT euipments:
Taping Machine 1set
Automatic Loader: 12 sets
automatic solder paste printing machines:12sets
3D SPI (Solder paste inspection) machine: 5 sets
SMT machine: 25sets (YMAHA YSM20 high-speed machine 9sets, JUKI FX-3RAL high-speed machine 5sets, JUKI medium-speed machine 11sets)
Reflow oven: 6 sets
Board Machine: 2 sets
First Article Inspection Test Machine: 6 sets
on-line 3D AOI machine:4 sets
AOI tester: 16sets (Shenzhou ALD515 12sets , Zhenhua Xing A410 4sets);
X-RAY 8200 testing machine 1set
SMT steel mesh cutting machines: 1 set;Steel mesh polishing machine; < Stencil cleaner: 1 set;
Ovens 2sets
Ultrasound cleaner EN-CSBQXJ-001EN-CSBQXJ-002EN-CSBQXJ-0033 3sets
PCBA Cutting Machine 2 set
BGA rework machine 1 set

Prototying workshop SMT euipments:
Automatic Loader: 4 sets;
automatic solder paste printing machines 4sets
SMT machine: 4sets (YMAHA YSM20R high-speed machine 9sets
Reflow oven: 4 sets
AOI tester: 2sets (Model No:7120);

3)Following Components Package That We Could Provide
01005, 0201, 0402,0603,0805,1206,2512
QFP,QFN,CSP,TSOP,SOJ,BGA,uBGA,etc

4)Mounting Operational Capacity Parameters
PCB layer: 1-16 layers;
PCB material: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, FR-1, FR-2,alumium bloards;
PCB thickness: 0.2mm-7.0mm;
PCB dimension: 50*50mm-500*500mm;
Copper thickness: Min:0.5oz; Max: 4.0oz;
Chip accuracy: laser recognition ±0.05mm; image recognition ±0.03mm;
Component size: 0.6*0.3mm-33.5*33.5mm;
Component height: 6mm(max);
Pin spacing laser recognition over 0.65mm;
High resolution VCS 0.25mm;
BGA spherical distance: ≥0.25mm;
BGA Globe distance: ≥0.25mm;
BGA ball diameter: ≥0.1mm;
IC foot distance: ≥0.2mm;

5)Quality control:
Every time transfer the SMT production line, the first article need do the testing 100% AOI test, X-Ray test and function test before shipment to ensure no defective products leave from factory.





6) SMT test euipments





3. DIP assembly services
1)Capacity
2 THT production lines, 2 million points/day,80 employees
2)DIP equipment
DIP Production line

2 sets of Wave soldering machine


4. Hand soldering Service
1)Capacity
3 hand soldering lines , 0.5 million points/day,60 employees

Hand soldering lines
Electric soldering iron



5. Box building/Case assembly service
1) Capacity
3 Final assembly lines, 60 employees
Complete machine assembly + Color Box packaging
Final assembly:
plastic case/ parts assembly
metal box/parts building,
cable assembly
color box packaging


6. Two conformal coating spraying production lines,15 employees


7. DIP workshop test
1) Test Capacity : ICT test + 4 sets of functional test,30 employees



8.8. Life test
High and Low Temperature test;Vibration Test ;Salt Spray Test ;Waterproof Test
1.High and Low Temperature test

2.Vibration Test

3.Salt Spray Test

4.Waterproof Test

PCB Assembly, PCBA Contract Manufacturing, Electronic Manufacturing Services Provider, Electronic OEM/ODM services,PCBA OEM/ODM, Full Turnkey Manufacturing,
Box Build.SMT Assembly, China CM factory, China Contract Manufacturing Supplier, China PCBA supplier, China PCBA factory