China Electronic Prototype PCBA Manufacturer ELECTRONIC CIRCUIT BOARD
GT was founded in 2005, located in Shenzhen. We mainly offer High quality PCB fabricate, components purchase and assembly PCB(OEM PCB Assembly Service). From our ISO9001:2008 certified factory, we turn out up to 10000 square meter of PCBs and 400000 PCBAs monthly. For assembly, utilizing 8 high-speed SMT lines from Yamaha and Sony, to meet customers' need.
ISO 9001, ISO 13485 , IATF16949
Technical Requirement for pcb assembly:
1) Professional Surface-mounting and Through-hole soldering Technology
2) Various sizes like 1206,0805,0603 components SMT technology
3) ICT(In Circuit Test),FCT(Functional Circuit Test) technology.
4) PCB Assembly With CE,FCC,Rohs Approval
5) Nitrogen gas reflow soldering technology for SMT.
6) High Standard SMT&Solder Assembly Line
7) High density interconnected board placement technology capacity.
Production Requirement for pcb assembly:
1.Gerber Files (Eagle and PCB File are available).
2.BOM list.
3.Clear pictures of PCBA or PCBA samples to us.
4.Pick N Place file.
5.Test procedure for PCBA.
Our service: One-stop solution for various SMT DIP PCB assembly and
box build , function testing,
conformal coating
1. PCB Manufacturing PCB Prototype in
Medical PCB
Industrial pcb
New Energy pcb
Auto pcb
Smart home picb
Our Certification
Company Information
Grandtop Group is spe 17 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.
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., Lt
Audited Supplier 
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