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Recently, the Science and Technology Innovation Bureau of Longhua District selected the top 100 small and medium-sized innovative enterprises in Longhua District in 2021 according to the provisions of the document "Longhua District Top 100 Small and Medium-sized Innovative Enterprises (Trial)".
The selection is made by the Science and Technology Innovation Bureau of Longhua District, and the enterprises are evaluated after a comprehensive inspection from various aspects such as R&D investment, scientific and technological achievements, innovation index, financial index and additional points matters as exemplified by the award situation.
The 2021 Longhua District Top 100 Small and Medium-sized Innovative Enterprises is an important initiative to encourage, guide and promote Longhua District enterprises to be stronger and better, focus on supporting a number of competitive small and medium-sized innovative and superior enterprises, and promote the transformation of economic development.
After being selected as one of the top 100 small and medium-sized innovative enterprises in Longhua District in 2019, Carku has been selected again in 2021 and will be included as an important target for Longhua District departments to allocate government resources and provide quality services.
This award fully confirms Carku's technological innovation advantage and encourages us to continue to plow deeper in technological innovation, to give full play to the advantages of technological confidence and product confidence, to make our own brand bigger and stronger, and to build brand confidence.
Built for demanding vehicles, the JS617N is a heavy duty sodium-ion jump starter delivering 4000A peak current to start 6.6L gasoline trucks, SUVs, and commercial vehicles in seconds. Powered by advanced sodium-ion battery technology, this portable emergency Na⁺ jump starter provides stable starting performance even at -40 °C, making it ideal for trucks operating in extreme winter conditions. Compared with traditional lead-acid jump starters, the heavy duty jump starter sodium-ion series offers longer service life, rapid high-current output, and greater reliability in cold climates. A high-brightness LED flashlight with lighting, strobe, and SOS modes ensures visibility and safety during roadside emergencies.(Looking for Jump Starter ODM/OEM Solutions? Contact us for your exclusive quote today!)
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A reliable all-in-one tyre inflator jump starter does more than just inflate tyres. It restores proper tyre pressure in minutes and delivers instant emergency starting power when your car battery lets you down.
It also features three lighting modes — SOS, Strobe, and Flashlight — making it ideal for outdoor use and nighttime emergencies. Compact enough to fit in your bag, this portable jump starter also functions as a mobile power bank, allowing you to charge your electronic devices anytime, anywhere.
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Powered by advanced capacitor technology, the JS629 is a super-capacitor jump starter engineered for instant response and extreme durability. Unlike a traditional lithium-ion jump starter, this batteryless jump starter contains no internal lithium battery—eliminating the need for pre-charging or long-term battery maintenance.
As a true ultra-capacitor jump starter, it draws residual power directly from your vehicle’s weak battery and amplifies it to deliver a powerful 1200A peak current—getting you back on the road within minutes.
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Building A, Qixing Creative Square,
Lianrun Rd., Gaofeng Community,
Dalang Street, Longhua District,
Shenzhen,Guangdong,China

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