Guangzhou Tengling Smart Technology Co., Ltd are a subsidiaries of Quantex Global Group, an global American / Chinese company who owns its own Research, Development and product design in the US and Europe and manufacturing and production facilities in China.Tengling Smart Techology / Quantex Smart Technology specialized in producing Electric Bike battery, Medical Equipment battery, Power Tool battery, lithium ion battery pack, LiFePO4 battery pack, lithium polymer battery, battery charger, solar energy battery system, and so on for both consumer and industrial applications. Tengling Smart Technology company was founded in 2003, and in 2015 was establish a joint venture with Quantex Global Group to make a global brand of smart battery by the name TengTong. we have good cooperative partnership with nearly 1000 industrial enterprises. All our three brands of Quantex batteries are mainly exported to the USA, Europe, Japan, Korea, China mainland, and etc..In 14 recent years, we take "reach for high tech, convenience for new life" as an entrepreneurial motivation all the time, unswerving insist to independent research, development, production and sales, have laid the ground for brand building and intellectual property protection, and we got some honors because of that. Every honor inspired all of the Quantex people who is keep guard against arrogance and impetuosity to create more superior quality on the way to stick to profession and nonesuch. The superior quality including better battery solutions, more high-quality lithium batteries, more on-time delivery, better after-sales service and more competitive price. Our mission Our sales and expert team will work with passion and selfless efforts to provide quality, efficient, personalized, diversified, and international service for every customer, put customer&＃39;s interests in the first place all the time, try our best to satisfy the customers &＃39; demand. In a word, we are willing to work together to create a better future with an open mind and effective execution. R&D "Reach for high tech, convenience for new life" We spare no effort to organize a group of electrochemical elites with high aspirations. We not only have the R&D experts who have engaged in lithium ion battery for over twenty years, but also have postgraduates who have strong R&D capability and experienced engineering technicians. Besides, In order to improve R&D strength and innovation ability, we take out 2 % of the total sales volume for R&D center equipped with a series of sophisticated equipment every year. Our research topics include high capacity, high rate of charging and discharging, overcharge and over discharge, the performance of additive, the influence of different material and formula on battery performance and cycle life, etc. Manufacturer "Excellent cells and PCMs , Strict technology and process" "Totally Devoted, Details oriented" The monthly order execution rate can be up to 99% or more because of fast production and punctual delivery. Compared with our Sisters company that are in our group. Our products have passed ETL,CE,RoHs,REACH,MSDS,UN38.3 Certifications. Each member of our company looks forward to working with our worldwide customers with the greatest enthusiasm. Based on equality and mutual benefits, we are aiming to establish long-term friendly businesses and to create a bright future together!We warmly welcome customers to cooperate with us for common success and see our Advantages by working with us.company Presentation Movie : https://youtu.be/ybzpms7CNJEhttps://www.facebook.com/QuantexSmartScooter/videos/1473464019343582/contact info:USA HeadquartersAddress: 8521 Leesburg Pike, Vienna, VA 2212Telephone: +1 571 308 9197WhatsApp: +1 571 234 1514 Email: info at quantexst.comChina HeadquartersOffice Address: NO594 Tianhe road, Guangzhou ChinaTelephone: +86 20 8709 6253Whatsapp: +86 139 2238 1808 Email : info at quantexst.com