Zhuhai Shuangye Electronic Technology Co., Ltd. established in 2006 and located in the beautiful coastal city Zhuhai. As professional manufacturer engaged in the research、development、production、sale and service, we are committed to manufacturing electric bike、electric bike kit、electric bike lithium battery、charger、lithium battery BMS and electric bike controller. We also provide OEM or ODM service. For 10 years of developing, Shuangye has became a global leading manufacturer in the personal electric transportation field. The elaborate fashionable and green electric bike has advanced the nation rapidly and go forward to the world with steady step. Through years of experience, our products with stable performance and favorable price, enjoy a good reputation in the industry. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success. electric bike A6AH26 TUV certification: https://www.zhsydz.com/e-bikes-a6ah26-tuv-certification/ electric mountain bike A6 TUV certification: https://www.zhsydz.com/a6-tuv-electric-mountain-bike/