Our Service
Quick Turn PCB PCBA Manufacturer Printed Circuit Board for Audio Module
Company Profile
Who we are?
We have more than 10 years' experience in PCBA contract manufacturing, professionally providing SMT, DIP, MI, AI, PCB assembling, final product assembling, conformal coating, testing, material procurement ,and one stop services such as wire harness, sheet metal , plastic injection to make up complete product for customers.
Our factory is also equipped with AOI, X-RAY, SPI, ICT, full-automatic splitting machine, BGA rework station and conformal coating machine, with air conditioner and dust-free workshop and lead-free manufacturing process. We have passed ISO9001:2015 international quality management system, IATF16949:2016 automotive industry quality management system and ISO13485:2016 medical device quality management system.
We open bom cost quotation,with high quality control strategy and 8D analysis method,we focus on top market customers, such as PCBAs on medical , industrial , financial,robotic,automobile , New Energy. We service for many global customers,such as the globe leader in grain processing and a leading solution provider;the top 3 in medical industry customer in China; the global leader in Telehealth Sensors industry and so on.
What we can do?
Our Advantages
Why Choose Grandtop?
Our Capability
| PCBA Type of Assembly |
THD(Thru-Hole Device) , SMT (Surface -Mount technology), SMT & THD mixed; 2 sided SMT and THD assembly |
| SMT Lines |
5 |
| PCBA Smallest SMT components |
0201 |
| PCBA SMT Min Pitch-QFP |
0.3MM |
| PCBA BGA Min Pitch |
0.25mm |
| PCBA Components packages |
Reel, Cut tape, Tube and tray, Loose part and bulk |
| PCBA Board Dimesions |
Smallest size : 50mm*50mm; Largest size: 520*420mm |
| PCBA Board Shape |
Rectangular, Round, Slots and Cut outs, Complex and Irregular |
| PCBA Board type |
Rigid FR4, Rigid- Flex boards, Aluminum pcb, |
| PCB Assembly process |
Lead- Free |
| Design file format |
Gerber (pcb file), Bom (bill of material), Centroid (pick and place / XY file) |
| Testing Procedures |
Visual Inspection, X-ray Inspection, AOI (Auto Optival inspection); ICT (In- circuit test), Function testing. |
| Turnaround Time |
1-5 days for only pcb assembly, 10-16 days for full turnkey pcb assembly. |
Cooperated with Grandtop
Our Workshops
Factory Showcase
Equipments
Workshop
Packing&Delivery
FAQ
Q1:Are you a manufacturer?
A1: Yes,we are manufacturer with a separated factory. Warmly welcome to visit our factory at any time.
Q2: What files do you use in PCB and assembly Quotation?
A2: Gerber, pcb. Auto CAD + Bill of Material
Q3: Do you have MOQ?
A3: There is no MOQ in Grandtop. We can support your projects starting from prototypes to mass productions.
Q4:What is the lead time?
A4: It takes 5-7 working days for sample, 7-25 working days for bulk production based on files and quantity. For Urgent project we can arrange preferential processing and control the delivery time as you request.
We sincerely hope to establish longtime and friendly business relationship with you. If you have interest in our product, please don't hesitate to contact us !
Audited Supplier 
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