Product Details
Double-sided pcb/Single-Sided pcb/Fr-4/Cem/Pcba/Smt/Printed circuit
board/Kerongda
Kerongda is a professional PCB company that has single-sided,
double-sided and multilayer PCBs. And we also specialize in
manufacturing SMT,DIP and other special requirment PCBs,such as
high precision half orifice circuit boards, impedance circuit
boards and buried blind hole circuit boards.
1 | Layer | 1-30 layer |
2 | Material | FR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2,Aluminum |
3 | Board thickness | 0.4mm-4mm |
4 | Max.finished board side | 500mm*500mm |
5 | Min.drilled hole size | 0.25mm |
6 | Min.line width | 0.10mm(4mil) |
7 | Min.line spaceing | 0.10mm(4mil) |
8 | Surface finish/treatment | HASL/HASL lead free,Chemical tin,Chemical Gold,Immersion gold
Inmersion Silver/Gold,Osp,Gold Plating |
9 | Copper thickness | 1/2OZ 1OZ 2OZ 3OZ |
10 | Solder mask color | green/black/white/red/blue/yellow |
11 | Inner packing | Vacuum packing,Plastic bag |
12 | Outer packing | Standard carton packing |
13 | Hole tolerance | PTH:±0.076,NTPH:±0.05 |
14 | Certificate | ISO9001,ISO14001,ROHS,CQC |
15 | Profiling Punching | Routing,V-CUT,Beveling |
16 | Assembly Service | Providing OEM service to all sorts of printed circuit board
assembly |
Our Advantages:
1. Program and functional test and package by Free.
2. High quality: IPC-A-610E standard, E-test, X-ray, AOI test, QC,
100% functional test.
3. Professional service: PCB/FPC/Aluminium Making, SMT, DIP,
Component Sourcing, OEM with 21 years experience.
4. Certifications: UL, 94v-0, CE, SGS, FCC, RoHS, ISO9001,
ISO14001,IATF16949
Company Profile
Qingdao Ke Rongda Electric Technology Co., Ltd. was founded in
2002, is a professional production of high precision single and
double sided, multi-layer circuit board senior private enterprises,
using automation equipment, high quality management methods and
years of manufacturing experience, to provide you with a variety of
circuit board plug-in, assembly, testing and other services. Since
its inception, the company has been adhering to the
"people-oriented, quality innovation" management policy;
"First-class products, first-class quality, first-class reputation,
first-class service, continuous improvement" quality policy, led a
high-quality professional and technical personnel and management
team, the achievement of enterprise management system
standardization, information, by customers and peer attention.
Our company production base 5200 square meters. The company has 3
SMT automatic production lines, 4 hand insert production lines, 4
assembly lines, 1 automatic AI production line, 1 automatic PCB
coating production line, and has passed ISO9001
certification,ISO14001 certification, ISO45001 certification and
IATF16949 certification, and has obtained the high-tech enterprise
certificate.
The company is willing to adhere to the "customer first,
integrity-based" business principle, and adhering to the
"integrity, unity, quality, efficient," the spirit of corporate
culture, and you hand in hand to create a better tomorrow!


