Company Profile

Shenzhen Shanhai Yuanhui Technology Co., Ltd. (Factory Name: Haicheng Electric Technology Co., Ltd.)

As a group enterprise integrating original design, R&D, manufacturing and sales, we were established in 2002. We operate three core business divisions: Cleaning Appliance Division (High‑Speed Hair Dryer Division), Mobile Smart Screen Division and Bluetooth Headset Division. We are a global OEM/ODM manufacturer specializing in smart electronics and home appliances.

Upholding the tenet of “solving consumers’ pain points, elevating user experience and improving quality of life”, we develop and market a wide range of products. Our self‑developed HD18 and HD19 high‑speed hair dryers have achieved performance comparable to Dyson and evolved into world‑class AI high‑speed hair dryers.

We hold certifications including the ISO9001 Quality Management System and BSCI, as well as international compliance certifications such as CE, FCC and RoHS. We also provide tailored customization services to satisfy the unique requirements of global customers, and deliver professional product solutions for international brands, channel partners and distributors across the world.

Up to now, we have offered OEM/ODM services to customers in more than 100 countries and regions. We boast dozens of exclusive proprietary designs, with our core competitive advantages lying in premium product quality and outstanding customer service. Our robust manufacturing capacity and reliable product performance have earned wide recognition from global clients. We sincerely welcome more partners to join us for win‑win cooperation!

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Having 4 major production bases, workshop dust-proof layout and production processing

Autonomous SMT, solution PCBA. Existing 6 SMTs

To ensure quality, we provide a complete testing solution

We have ISO9001 quality management system, BSCI certification, etc. 

Independent injection molding workshop with over 30 high-precision beer molding machines.

have over 10 CNC machines, 5 precision carved machines, and 30 imported spark machine

New product development process

Quality Management

Now, we provide OEM and ODM services to customers from over 100 countries worldwide.