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Qualification Certification


Dongguan Legion Electronics Hardware Co., Ltd. High-tech Certification

Dongguan Legion Electronics Hardware Co., Ltd. High-tech Certification

Dongguan Hooya Electronics Co., Ltd. High-tech Enterprise Certification

Dongguan Hooya Electronics Co., Ltd. High-tech Enterprise Certification

Epidemic Control Certificate

Epidemic Control Certificate

Connector Member Unit

Connector Member Unit

Global Sources Premium Supplier

Global Sources Premium Supplier

Dongguan Powerful Fujian Businessmen

Dongguan Powerful Fujian Businessmen

Innovative Small and Medium-sized Enterprises

Innovative Small and Medium-sized Enterprises

Outstanding Supplier of 2016

Outstanding Supplier of 2016

Certified Supplier on Made-in-China.com

Certified Supplier on Made-in-China.com

Haoyu ISO9001 Certificate

Haoyu ISO9001 Certificate

Haoyu ISO9001 Certificate EN

Haoyu ISO9001 Certificate EN

Haoyu 16949 Certificate EN

Haoyu 16949 Certificate EN

Haoyu 16949 Certificate

Haoyu 16949 Certificate

ISO 14001

ISO 14001

ISO 14001

ISO 14001

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Invention patent


Haoyu Patent Certificate

Haoyu Patent Certificate

2021-11-25 A multi-position miniature toggle switch (certificate)

2021-11-25 A multi-position miniature toggle switch (certificate)

2021-11-25 A charging socket with self-locking feature (certificate)

2021-11-25 A charging socket with self-locking feature (certificate)

2021-11-25 A vertical high-current charging socket (certificate)

2021-11-25 A vertical high-current charging socket (certificate)

2021-11-25 A high-current charging socket (certificate)

2021-11-25 A high-current charging socket (certificate)

2021-11-25 A waterproof USB connector (certificate)

2021-11-25 A waterproof USB connector (certificate)

2021-11-25 A vertical waterproof charging socket (certificate)

2021-11-25 A vertical waterproof charging socket (certificate)

2022-7-20 A toggle switch terminal bending machine (certificate)

2022-7-20 A toggle switch terminal bending machine (certificate)

2022-7-20 A toggle switch assembly machine (certificate)

2022-7-20 A toggle switch assembly machine (certificate)

2021-11-30 A multifunctional high-current charge and discharge connector (certificate)

2021-11-30 A multifunctional high-current charge and discharge connector (certificate)

2022-7-6 A high-current, waterproof electric vehicle charging connector (certificate)

2022-7-6 A high-current, waterproof electric vehicle charging connector (certificate)

2023.9.12 A new type of alignment fixture for connectors

2023.9.12 A new type of alignment fixture for connectors

2022-7-20 A disc-type toggle switch assembly device (certificate)

2022-7-20 A disc-type toggle switch assembly device (certificate)

Utility Model - A Power Switch Base Plate Processing Device - Patent Certificate

Utility Model - A Power Switch Base Plate Processing Device - Patent Certificate

20230109 A Transfer Charging Connector Suitable for Different Voltage Platforms (Certificate) (1)

20230109 A Transfer Charging Connector Suitable for Different Voltage Platforms (Certificate) (1)

Utility Model - A Multi-Gear Rotary Power Switch (Explanation)

Utility Model - A Multi-Gear Rotary Power Switch (Explanation)

Utility Model Patent Certificate_A Conveniently Adjustable Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Conveniently Adjustable Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Type of Anti-Misoperation Ship-shaped Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Type of Anti-Misoperation Ship-shaped Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Rocker Switch with Overload Protection Function_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Rocker Switch with Overload Protection Function_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Type of Anti-Drop Power Socket_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Type of Anti-Drop Power Socket_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Power Socket with Protective Device_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Power Socket with Protective Device_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Rotary Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Utility Model Patent Certificate_A Rotary Switch_Dongguan Liujun Electronics Hardware Co., Ltd.

Appearance Design - Rotary Switch (Shuowen)

Appearance Design - Rotary Switch (Shuowen)