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KEYSTONE NEW LAUNCH FLEX-3 VISIBLE TANK REVOLUTION

KEYSTONE TEAM
07.07.2025

Shenzhen, July 4, 2025—KEYSTONE officially launched its game-changing FLEX-3 pod-system-the world’s first 40k puff dual-mesh pod device that redefines vaping standards through its proprietary visible tank technology. KEYSTONE gathered over 500 industry leaders, global media, and top-tier distributors from Europe, North America, the Middle East, and Southeast Asia.

A New Era of Transparent Vaping Experience

The product launch commenced with a stunning holographic demonstration by KEYSTONE’s CEO, vividly showcasing how the FLEX-3’s transparent tank and dual-mesh coil system deliver an unprecedented “zero-waste” vaping experience. Attendees witnessed real-time e-liquid consumption visualization, verifying the 100% leak-proof performance that sets a new industry standard. FLEX-3 is a terminator of leakage ever.

“Visibility goes beyond transparency—it represents a quantum leap in vaping technology, efficiency and safety,” emphasized KEYSTONE’s R&D Director. “While conventional vapes waste up to 30% of e-liquid through leakage and residue, our visible tank architecture combined with dual-mesh technology achieves 99% e-liquid utilization with near-zero residual rate, ensuring every drop transforms into satisfying vapor. No drop of you e-juice will be wasted.”

Six Industry-Disrupting Innovations

  1. 1s Switch & Visible E-liquid Monitoring

Magnetic quick-switch, visible e-liquid tank ensures no more “e-juice anxiety”. Precision-engineered cotton to lock the juice as well as minimize residue.

  1. World’s First 40K Puff Dual-Mesh Pod

FLEX-3 delivers unmatched endurance, outperforming all existing products. Innovative Sytek dual mesh inside is to ensure you can use every drop of e-liquid without any waste, 40K puffs long-lasting satisfaction.

  1. MAX 40W Turbo Boost Mode

Triple adjustable power (22W-28W-40W) caters to all vaping styles from smooth MTL to intense cloud production.

  1. 2-size Airflow Control System

Equipped with 2 sizes of air intakes, the FLEX-3 allows you to switch between loose or tight MTL. A tighter draw for a satisfying throat hit or a more airy draw for bigger clouds, the FLEX-3 delivers.

  1. Smart Interactive Display

Real-time battery/power monitoring with intuitive vaping indicators.

  1. Advanced Child-Safety Lock

This designed child-proof locking button is to allow adult consumers to open easily while protecting children from nicotine-containing vapour.

Industry Acclaim: The Future of Vaping

The FLEX-3 received unanimous praise for establishing new pod-system benchmarks. “This perfect marriage of transparent design and extreme longevity of fresh flavor addresses the market’s most pressing needs,” commented a leading distributor.

About Shenzhen KEYSTONE Technology Co., Ltd.

As the trailblazer in visible tank technology, KEYSTONE drives global vaping innovation through cutting-edge R&D. With over 200 international patents and products trusted by millions worldwide, the company continues to lead with its “Technology-Enhanced Experience” philosophy across refillable pods, disposables, and open-system devices.

Media Contact:

KEYSTONE VAPE

[email protected]

Web: keystonevape.com

 

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