7-Speed Derailleur: Smooth gear shifting for a seamless ride.

Hydraulic Disc Brake: Ensures reliable stopping power in various conditions.

Front and Rear Dual Suspension Fork: Provides a smoother ride over rough terrain.

LCD Screen: Easy control and monitoring of speed and battery status.

48V 15AH Lithium Battery: Long-lasting power for extended rides.

Premium Quality: Rigorous aging and riding tests ensure a defective rate well below the market average.

Closed-Loop Supply Chain: In-house PCBA and battery factories guarantee stable supply of core components.

Patent & R&D Strength: Exclusive global hoverboard patent authorization from Hangzhou Chic; robust R&D support for OEM/ODM customization.

Global Presence: Local warehouses enable fast delivery and convenient after-sales service; certified with ISO 9001, ISO 14001, CE, UL, etc.

Since 2005, Yeestep Technology has been specializing in the manufacturing and export of electronic products under the name of Uni-sun and Uni-chic. In 2020, the company pivoted to electric bicycles, becoming one of China's earliest large-scale e-bike manufacturers. Today, we offer a comprehensive product portfolio including ebikes, emotorcycle, escooters, and hoverboards, with over 50 models ranging from entry level to premium options.

As the operator of several leading e-mobility brands in the U.S., we provide global OEM and ODM services that meet brand standards. Our in-house PCBA and battery factory ensures a reliable supply of core components. Through stringent quality control: including 100% aging tests and real-world ride testswe maintain a product defect rate significantly below the industry average. With substantial production capacity and R&D expertise, we are well-equipped to serve medium and large clients. Additionally, our overseas warehouses enable swift delivery for smaller orders.

We invite you to experience our products and explore collaboration opportunitieslets shape the future of e-mobility together.

Advantages
1. Premium Quality: Rigorous aging and riding tests ensure a defective rate well below the market average.
2. Strong Manufacturing Capability: 40,000+㎡ production space, 8+ production lines, and 500+ workers, enabling large-order fulfillment (500 e-bikes/day, 2,000 e-scooters/day, 5,000 hoverboards/day).
3. Closed-Loop Supply Chain: In-house PCBA and battery factories guarantee stable supply of core components.
4. Patent & R&D Strength: Exclusive global hoverboard patent authorization from Hangzhou Chic; robust R&D support for OEM/ODM customization.
5. Global Presence: Local warehouses enable fast delivery and convenient after-sales service; certified with ISO 9001, ISO 14001, CE, UL, etc.
6. Trusted Partnerships: Cooperations with renowned retailers, supermarkets, and e-commerce platforms worldwide.

Company overview

Competitive advantages

Certifications

Factory profile

Customization capabilities

Production workflow

Packaging & shipping specifications

Trade show participation

Extended company profile