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PCB Assembly Manufacturing Service
Grandtop, a one-stop PCB assembly manufacturer in Shenzhen, China. We provides many kinds of high-quality PCB manufacturing and PCB assembly services for medical, automotive, new energy and IoT industries.
What We Provide
Grandtop specializes in Electronic Assemblies Contract Manufacturing, from prototypes to small and medium production volumes of PCB Assemblies, SMT assemblies, box build and full system integration. Our customer base in these markets: Industrial Controls, Medical instruments, Defense Aerospace and Automotive, Energy oil gas, consumer electronics.
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ABOUT US
Shenzhen Grandtop Electronics Co.,LTD
Grandtop is a leading PCB Assembly manufacturer & Electronic Manufacturing Services (EMS) provider from Shenzhen, China. we specialize in quick turn prototyping and offering comprehensive contract manufacturing PCB assembly services for over 13 years.
We own quality system and professional quality team. Our factory is certificated with ISO9001, ISO13485, IATF16949, we have over 10 skilled R&D and electronic engineers,as well as 20+ quality control specialists. The management team brings extensive electronic manufacturing experience from leading companies like Flex and Foxconn. Many of world's top 500 enterprises have cooperated with us for many years, Grandtop is worth relying on.
Reliable Supply ChainWe have established long-term strategic cooperation with the top electronic components manufacturers all over the world, such as Xilinx, TI, Avnet, Future and etc.
Our PCB can reach a max layers of 32, minimum placement component size can meet 03015 and minimum placement spacing of BGA can meet 0.3mm.
Complete inspection and testing for PCBA, including SPI, AOI, ICT, FCT, X-RAY, ROHS and aging.
1. We offer fast and opened BOM quotation to customers.
2. Over 10 years of cooperation experience with European and North American clients, quickly and professionally respond customer requirements.
2. Over 10 years of cooperation experience with European and North American clients, quickly and professionally respond customer requirements.
Providing professional PCB design, R&D prototyping, PCBA mass production, component procurement, electronic product assembly, testing and supporting services for electronic and electrical products peripheral products such as wire harnesses, plastic injection, sheet metal, etc..
Strong believe in IP protection with proven records.
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Who we are
Visit Our Factory
Grandtop was established in 2012 and is dedicated to providing high-quality PCBA (Printed Circuit Board Assembly) manufacturing, finished product assembly, OEM, ODM, and JDM services. Our services are highly satisfied the demand exceptional precision, reliability, and compliance for industries such as medical,healthcare, industrial control, automotive, AI, and aerospace.
Electronic PCB Assemblies Finished Products
Grandtop is a specialist PCB Assembly Manufacturing provider, we supply one-stop solution for PCB fabrication and PCB assembly. We maintain full control of the entire process from PCB fabrication to assembly, so you don’t have to manage multiple vendors. You send send us the files packages, and we will deliver the fully functional printed circuits with all components populated.
Contract Electronic Manufacturing Services
We streamline production with comprehensive services:
At Grandtop, we provide comprehensive Contract Electronic Manufacturing services designed to be a seamless extension of your production team. Our team reaches out to our customers for better alignment and clarity on important topics. As your chosen Grandtop as a reliable PCB supplier, allow us to know your requirements as you can depend on our capabilities as the most dependable PCB manufacturer in China.
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Our Partners
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Frequently Asked Questions
Shenzhen Grandtop Electronics Co.,LTD, a leading China PCB assembly manufacturer, we welcome all questions that spark your curiosity about our PCB manufacturing services or about our technical recommendations; we will gladly assist you. We will respond to every question, including inquiries about our products and services, prices, minimum order quantities (MOQs), delivery options, location, quality standards, certificates, or engineering support related to PCB manufacturing and assembly.
1
What Does Grandtop Do?
Grandtop is a PCB board manufacturer that provides small to medium volume PCB circuit boards, PCB assembly and electronic manufacturing services, including electronic design, PCB layout, SMT and through hole assembly, material procurement, final box building, project management. And finally, excellent products and services.
2
Can you produce PCBs which meet IPC Class 3 standards?
Yes, as one of the professional PCB manufacturers, we can produce PCBs according to IPC-A-600 Class 3 and PCB assembly according to IPC-A-610 Class 3.
3
Is Grandtop a reliable PCB manufacturer?
Of course! Grandtop has been in business as a PCB manufacturer since 2012. It has gained many international quality certifications such as ISO9001, IATF16949, ISO13485,ISO14001., etc. Many great world's top 500 brands have trusted Viasion for more than 13 years.
4
Can you deliver PCBs to our location?
Yes. We can deliver PCBs to your location by express (UPS, FedEx, or DHL), normal air and ocean. As a very experienced PCB board manufacturer, we can deliver products anywhere you want.
5
What are the benefits of outsourcing my products to Grandtop?
Being a PCB supplier China since 2012, we have many customers who have worked with us for over 13 years! We asked them for the benefits as our partners, which is simple: we are RELIABLE! During the RFQ process, our CAM engineer will check all the details carefully and raise questions if there is to avoid mistakes in the future. When customers order PCBs or PCB assembly from us, we can always deliver the products on time and in good quality.
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What is your MOQ for PCB production?
As one of the professional PCBA suppliers for small to medium-volume production, we have no MOQ. We are a printed circuit board manufacturer who excels in manufacturing samples and small to medium production batches. We can produce PCBs and fully assemble PCBAs from as little as one piece; no order is too small for us.
2
What lead times should I expect for standard production runs?
As a professional PCB maker China, our average lead time as follwing:
PCB: 3-10 working days;
PCB assemby: 2-4 weeks;
Full turnkey electronics assembly: 4-6 weeks.
It depends on material and component lead time, specification, and complexity.
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What files do you need to produce my printed circuit board?
As a PCB circuit manufacturer, we need PCB files(better Gerber format) with specifications of PCB material, board thickness, stack-up, copper thickness, surface finish etc., and also the quantity you need.
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What files do you need to quote a PCB assembly service?
Electronic circuit board manufacturers like us always need a Bill of Materials, Gerber data, and quantity forecast. If in doubt, please get in touch with us by E-mail: emily.luo@grandtop-electrical.com.
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Latest News
A successful close to Hong Kong Electronics Fair—Asia's premier hub for electronics innovation!
Save the date for CES 2026 (Jan 6-9, Las Vegas)—the global tech innovation epicenter! Visit us at Booth South Hall 2 36625 to explore our industry-leading electronics solutions.
Ready to elevate your electronics manufacturing? Join us at Productronica 2025 in Munich (Nov 18-21) at Hall B3, Booth 269/5.
Thrilled to wrap up a successful CES 2025! As the global hub for tech innovation, CES brought together industry leaders—and we’re proud to showcase our end-to-end electronics solutions.
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Get in touch with us
For more information or to get a product quotation, please send us an email and we will contact you as soon as possible!
Grandtop was established in 2012
Dedicated to providing high-quality PCBA (Printed Circuit Board Assembly) manufacturing, finished product assembly, OEM, ODM, and JDM services.
LINKS
PRODUCT
CONTACT US
Contact Person: Emily Luo
Tel: +86 17603050365
WhatsApp: +86 17603050365
Company Address: 2-3/F, Building 15, Hualun Technology Park, No. 161 Fenghuang Xingye Road One, Fuyong Town, Bao'an District, Shenzhen, China