2YRSShenzhen Grandsun Electronic Co., Ltd.
Supplier
This supplier has been verified onsite by world-leading inspection company,
TÜV Rheinland
Verified onsite by world-leading inspection company, TUV Group
2021.07.13
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COMPANY OVERVIEW

Company Album121

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.
5.0/5
Very satisfied
42 Reviews
  • 131 Transactions
    800,000+
  • Response Time
    ≤3h
  • Response Rate
    99.62%
Business Type
Manufacturer, Trading Company
Country / Region
Guangdong, China
Main ProductsOwnership
Private Owner
Total Employees
Above 1000 People
Total Annual Revenue
confidential
Year Established
1997
Certifications(2)
Product Certifications(11)Patents(1)
Trademarks(1)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 Moulding 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
Bisto Speech & AVS Acoustic Testing Lab
Confidential
1
OTA Chamber
Confidential
1
Anechoic Chamber & Acoustics Laboratory
Confidential
1
Verified

R&D CAPACITY

Production Certification

Picture
Certification Name
Issued By
Business Scope
Available Date
Verified
FCC
TCB
Digital Transmission System Bluetooth Neckband
2020-09-09 ~
KC
Director General of National Radio Research Agency
AH-01
2021-03-15 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-16 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-16 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
BQB
Morlab
By typing my name or other symbol of my signature into the "Signature" field below, I agree on behalf of Cleer Limited (Company) to Bluetooth Launch Studio Terms of Use, and I make the following representations and warranties personally and on behalf of Company. The following representations and warranties, together with all project information and the Bluetooth Launch Studio Terms of Use, are the Supplier Declaration of Conformity and Declaration of Compliance described in the Program Reference Document (PRD) and Declaration Process Document (DPD).
2021-03-17 ~
FCC
tuv
Bluetooth Neckband
2021-07-14 ~ 2049-12-31
Verified

Certification

Picture
Certification Name
Issued By
Business Scope
Available Date
Verified
ISO14001
SSCC
Research and development and manufacture of electroacoustic components, injection molds, connecting cables, voice transporting devices including earphones & headphones, mini sound boxes, wireless smart speakers, smart headphones, noise cancelling headphones, and related management activities.
2020-09-09 ~ 2023-06-20
ISO14001
tuv
Research and development and manufacture of electroacoustic components, injection molds, connecting cables, voice transporting devices including earphones & headphones, mini sound boxes, wireless smart hearing or wearing products and accessories, including smart speakers, smart headphones, noise cancelling headphones, and related management activities
2021-07-14 ~ 2023-06-20
Verified

Trademarks

Picture
Trademark No
Trademark Name
Trademark Category
Available Date
Verified
7923518
233621
Consumer Electronics>>Earphone & Headphone & Accessories>>Earphones & Headphones
2012-08-20 ~ 2022-08-20
25246753
Cleer
Consumer Electronics>>Earphone & Headphone & Accessories>>Earphones & Headphones
2018-07-06 ~ 2028-07-05
Unverified
Verified
Unverified

Patents

Picture
Patent No
Patent Name
Patent Type
Available Date
Verified
US9497533B2
Fine tuning structure for headphones and headphone
UTILITY_MODEL
2016-11-11 ~
Verified

Awards Certification

Picture
Name
Issued By
Start Date
Description
Verified
CES 2021
CES
2021-01-31
2021 CES
Unverified
Verified
Unverified

Research & Development

Above 50 People