High quality Multilayer PCB Manufacturer PCB assembling in China
Grandtop is specialized in pcb and pcb assembling, pcba contract manufacturing and final products assembly service . We have professional team and quality control system. Our long-cooperation with global electric components original manufacturer and agent support us a reliable supply chain.
PCBA assembling Capability
| SMT Lines |
7 Lines |
| Capacity |
8 Million Placements Per Day |
| Max Board Size |
680*550mm Smallest:0.25"*0.25" |
| Min Components size |
0201-54 sq.mm (0.084 sq.inch),Long Connector,CSP,BGA,QFP |
| Speed |
0.15sec/chip, 0.7sec/QFP |
| Wave-Solder |
Max.PCB Width:450mm |
| Min.PCB Width:unlimited |
| Components Height:Top 120mm/Bot 15mm |
| Sweat-Solder |
Metal Types:Part,Whole,Inlay,Side-step |
| Metal Material:Copper,Aluminum |
| Surface Finish:Plating Au,Plating Silver,Plating Sn |
| Air Bladder Rate:less than 20% |
| Press-fit |
Press Range:0-50KN |
| Max.PCB Size:800*600mm |
| Assembly Types |
SMT and Thru-hole |
| Solder Type |
Water Soluble Solder Paste,Leaded and Lead-Free |
| File Formats |
Bill of Materials ,Gerber Files,Pick-N-Place Files(XYRS) |
| Type of Service |
Turn-Key,Partial Turn-Kye or Consignment |
| Component Packaging |
Cut Tape,Tube Reels Loose,Parts |
| Turn Time |
1-15days |
| Testing |
XRAY Inspection,AOI Testing ICT,Flying Probe,Burn-in,Function Test |
Company Information
Grandtop Group is spe 10 years' experience in Electronics PCB Assembly contract manufacturing, professionally providing SMT, DIP, MI, AI, Eelectronic PCB assembling, conformal coating, final product assembling, testing, material procurement ,and one stop services such as wire harness, sheetmetal , plastic injection to make up complete product for customers. Our factory has a number of lines of SMT,DIP, assembly and testing, well-equipped with brand-newly imported Juki and Samsung SMT machine, full-automatic solder paste printing machine, ten temperature zone reflow oven and wave-soldering oven. Our factory is also equipped with AOI, XRAY, 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.
Our DIP SMT PCB Assembly WORKSHOP View
Exhibition
Customers from America and European visit Grandtop for Electronics manufacturing service including BOX build, Printed circuit board Manufacturing and electronic pcb assembly
PCB Assembly Packing and Shipping
FAQ
Q1: What files do you use in PCB and assembly Quotation?
A1: Gerber, pcb. Auto CAD + Bill of Material
Q2: How do you make sure the quality?
A2: Our Product is all 100% tested including Flying Probe Test (for sample), E-test (mass) or AOI.
Q3: Can we visit your company?
A3: Of course! Welcome to visit our company, Grandtop is located in Hualun Tech Park, Shenzhen, Guandong province, china.
Q4: What is the lead time?
Q4: It takes 3-5 working days for sample, 7-10 working days for batch production based on files and quantity.
Q5: Will you keep our information and files secret?
A5: Sure! It is our basic principle to keep business secrets to protect our customers' rights and behalf.
Q6. How to work with you?
A6: -Email and send us the PCB layout file, BOM list
- We will provide reply confirmation within 12 hours and reply to the offer within 3-5 days.
- Waiting for your company to confirm the price, order and payment method.
- We will start the production.
Contact Us
Sharon Duan
Shenzhen Grandtop Electronics Electronics Co., Ltd
Audited Supplier 
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