Providing the best product and service allows customers to be more competitive.

About Bestoss

Shenzhen Ution-Best Electronics Co., Ltd. is a professional manufacturer of SSD, U disk, and memory cards for more than 15 years. The company locates in Shenzhen and covers an area of 3300 square meters, The monthly production capacity of SSD reaches up to 300,000 pieces.


We provide OEM/ODM services for all products. All BESTOSS SSD products are provided with a 5-year warranty. The company possesses a strict production process (ISO 9001) and all items have passed CE, FCC, and RoHS certifications, etc.


Besides, we have our own brand, “Bestoss”, which was founded in 2007, aiming at providing a more efficient read-and-write experience for all data transfers. After more than 15 years of high-speed development, we continue to innovate and challenge breakthrough hard disk technology and overcome existing and potential obstacles to help more people achieve the impossible. Bestoss is committed to the mission, bursting out the power of BEST for the next high-efficiency revolution.


Ution-Best dedicates to offering superior quality products and satisfying services. We spare no pains to keep improving our quality and we obey accurate delivery at any time. Your inquiry will be responded to within 12 hours. We sincerely look forward to forming a successful business with global clients in the near future.

With over 15 years of development, and BESTOSS still innovating and moving forward, We continue to provide a more efficient read-and-write experience on all data transfer. We are committed to providing customers with quality products and professional service, strictly adhering to the product selection of every step, every process of production, and every detail of service, to create maximum value for our customers.

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Development Process


Shenzhen Youxunjia Electronic Technology Co., Ltd. was established


The factory was established, focusing on the production of U disk and SD card


Establish cooperation with Walmart, Disney, DreamWorks, and Kodak brands


The production area of the factory is expanded to 1000 square meters. Broaden the product line and formally join the production of SSD


Successfully registered the Bestoss trademark in the United States


Successfully registered the Bestoss trademark in the United States

Production Ability

Company Culture

Humanized experience

Our people-oriented consumption experience and service experience are the core of our hard work.

Continuous progress and innovation

We are constantly looking for new ways to create innovative products and services that make people work and play more productively.

"Fast" Culture

We firmly believe that every technological revolution is an increase in productivity and a decrease in cost. This is our value direction.

Honest and open

We are always open and honest with our customers and partner ecosystem to do the right thing.

Quality Assurance

Each product of our company has various certifications, including Rosh, CE, FCC, ISO9001, test reports, etc.

There are also various patent certificates, utility model patents, design patents, etc.

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