3YRSShenzhen Grandsun Electronic Co., Ltd.
Supplier
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TüVRheinland
Verified onsite by world-leading inspection company, TUV Group
2022.06.30
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COMPANY OVERVIEW

Company Album101

Basic Information
Shenzhen Grandsun Electronic Co., Ltd.Founded in 1997, located in the International Low Carbon City of Longgang District, Shenzhen City. We mainly focus on research and development, as well as the manufacturing of smart devices such as headphones, speakers and many others. We also provides all-in-one OEM/ODM solutions for various world renowned audio clients. For many years, Grandsun has coordinated with Qualcomm to develop smart headphones, speakers and VR/AR based on Qualcomm QCC30XX, QCC51XX, CSR86XX, Wifi and 4G/5G, etc. In addition, Grandsun has gained the certifications for Google Bisto, Fast Pair and GVA, Amazon Alexa, Tencent and Baidu cloud-based intelligent information platforms. Grandsun has the capability of providing clients with intelligent audio, smart headphones and speakers throughout the acoustic and audio industry.
4.7/5
Satisfied
35 Reviews
  • 113 Transactions
    1,100,000+
  • Response Time
    ≤3h
  • Response rate
    98.98%
by {0}
Business type
Custom manufacturer
Country / Region
Guangdong, China
Main ProductsTotal employees
Above 1000 People
Total Annual Revenue
Confidential
Year established
1997
Major Clients
Confidential
Certifications(3)
Product Certifications(24)Patents(1)
Trademarks
-
Main Markets

PRODUCT CAPACITY

Production Flow

Production Equipment

Name
No
Quantity
Verified
Assembly Line
Confidential
40
Automatic Dispensing Machine
Confidential
26
EDM Machine
Confidential
3
CNC Center
Confidential
3
EMC Machine
Confidential
7
Injection Molding Machine
Confidential
35
Verified

Factory Information

Factory Size
50,000-100,000 square meters
Factory Country/Region
East Area, Gaoqiao Industrial Park, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province, China
No. of Production Lines
Above 10
Contract Manufacturing
OEM Service Offered, Design Service Offered
Annual Output Value
Above US$100 Million

Annual Production Capacity

Product Name
Production Line Capacity
Actual Units Produced(Previous Year)
Verified
Wireless Headphones
200,000 PCS / Month
Confidential
Headphones
400,000 PCS / Month
Confidential
ANC Wireless Headphones
200,000 PCS / Month
Confidential
Wireless Ear Buds
300,000 PCS / Month
Confidential
Wireless Speakers
100,000 PCS / Month
Confidential
Verified

QUALITY CONTROL

Test Equipment

Machine Name
Brand & Model NO
Quantity
Verified
Headset Slippery Course Force Test Machine
Confidential
1
Headset Torsion Tester
Confidential
1
Automatic Earphone Rotation Test Machine
Confidential
1
Gas Chromatography-Mass Spectrometer
Confidential
1
EDXRF Spectrometer
Confidential
1
Waterproof Testing Machine
Confidential
2
Google Bisto Speech Certification & Amazon AVS Acoustic Testing Lab
Confidential
1
OTA Chamber
Confidential
1
Anechoic Chamber & Acoustics Laboratory
Confidential
1
Verified