Precision-engineered sandwich panels designed to meet the strict environmental control requirements of automotive lithium battery production lines.
50mm Stainless Steel Rockwool Panel — Lithium Battery Cleanroom Grade
50mm Hollow Magnesium Cleanroom Panel — EV Battery Module Zone
50mm Stainless Steel Rockwool Panel — Battery Pack Integration Facility
Flush-Mounted Cleanroom Windows — Battery Line Visual Monitoring
The global electric vehicle (EV) market has experienced explosive growth over the past decade, driving unprecedented demand for high-capacity, high-quality lithium-ion batteries. At the heart of every reliable EV battery lies a manufacturing environment that is precisely controlled — free from dust, moisture, temperature fluctuations, and airborne contaminants. This is where cleanroom sandwich panels play an indispensable role.
Automotive lithium battery production encompasses several critical stages: electrode slurry mixing, coating and drying, calendering, slitting, winding or stacking, electrolyte filling, formation cycling, and final module and pack assembly. Each stage demands a specific cleanliness level, humidity range, and structural integrity from the surrounding facility walls, ceilings, and partitions.
Industry Insight: Leading battery gigafactories globally — including facilities in China, Germany, and the United States — specify ISO Class 5–7 cleanroom environments for electrode manufacturing and electrolyte injection zones, requiring wall systems that deliver zero particle shedding, superior airtightness, and long-term dimensional stability.
Cleanroom sandwich panels, with their composite core construction (rockwool, magnesium oxide, silicon rock, or hollow magnesium), provide the ideal combination of thermal insulation, fire resistance, structural strength, and cleanable surface finish required by these demanding production environments.
The convergence of EV adoption, battery technology evolution, and tightening regulatory standards is reshaping cleanroom infrastructure requirements worldwide.
Global EV sales surpassed 14 million units in 2023 and are projected to exceed 40 million by 2030. This has triggered a wave of gigafactory construction across Asia, Europe, and North America, each requiring thousands of square meters of certified cleanroom space. Sandwich panel systems are the wall and ceiling solution of choice due to their rapid installation, modular flexibility, and compliance with GMP and ISO standards.
The shift toward solid-state batteries, silicon-anode cells, and ultra-thin electrode coatings demands even tighter environmental controls. Moisture levels must be maintained below -40°C dew point in dry rooms for lithium metal anode processing. Cleanroom sandwich panels with enhanced vapor barriers and thermal insulation cores are critical to achieving and maintaining these extreme conditions cost-effectively.
Automotive OEMs and battery suppliers must comply with increasingly stringent quality standards — from China's GB/T standards to EU battery regulation requirements and US DOE guidelines. Cleanroom enclosures built with certified sandwich panels help manufacturers achieve and document compliance across multiple regulatory frameworks simultaneously, reducing time-to-market and audit risk.
Modern battery manufacturers face pressure to reduce their carbon footprint. Rockwool and magnesium-core sandwich panels offer excellent thermal performance that reduces HVAC energy consumption by 20–35% compared to conventional wall systems. Their long service life and recyclability align with circular economy goals increasingly demanded by automotive OEM customers and ESG investors.
Speed-to-market is a critical competitive advantage in the battery industry. Cleanroom sandwich panel systems enable significantly faster construction timelines compared to traditional concrete or drywall systems. Prefabricated panels can be installed 3–5 times faster, allowing battery manufacturers to commission production lines months ahead of conventional build schedules.
The rise of Industry 4.0 in battery manufacturing — including robotic electrode handling, AGV logistics, and real-time environmental monitoring — places new demands on facility infrastructure. Modern cleanroom sandwich panels are designed to integrate seamlessly with embedded sensor networks, cable management systems, and modular utility distribution, supporting the smart factory architectures of next-generation gigafactories.
Each zone within a lithium battery gigafactory presents unique environmental challenges. K-STONE cleanroom sandwich panels are engineered to meet the specific requirements of every production area.
Slurry mixing involves highly reactive lithium compounds and organic solvents (NMP). Cleanroom walls must provide chemical resistance, zero particle shedding, and explosion-proof compatibility. Stainless steel-faced sandwich panels with rockwool cores are the preferred solution, offering non-reactive surfaces that can withstand aggressive chemical cleaning agents while maintaining ISO Class 7 particle counts.
Electrolyte injection requires dew points as low as -40°C to -60°C to prevent lithium salt hydrolysis. The facility envelope must deliver exceptional vapor impermeability and thermal insulation. K-STONE's high-performance sandwich panels with enhanced vapor barrier membranes and 75–100mm rockwool cores achieve the thermal resistance needed to maintain dry room conditions while minimizing dehumidification energy costs.
Coating machines operate at high speeds with precision thickness tolerances of ±1 micron. Vibration, thermal gradients, and airborne particles are the primary threats to yield. Sandwich panel wall systems with mass-loaded cores dampen structural vibration transmission, while smooth, cleanable surfaces maintain laminar airflow patterns critical for coating uniformity and defect-free electrode production.
Jelly roll winding and prismatic cell stacking require ISO Class 6–7 environments to prevent metallic particle contamination that can cause internal short circuits. Hollow magnesium cleanroom panels provide the ideal solution — lightweight for suspended ceiling applications, dimensionally stable under temperature cycling, and delivering the smooth, non-shedding interior surfaces required by quality management systems.
Module assembly involves laser welding, ultrasonic bonding, and precision torque application on cell terminals. The cleanroom envelope must control ESD (electrostatic discharge), temperature (18–22°C), and humidity (30–50% RH). Silicon rock core sandwich panels with conductive surface treatments provide ESD-safe wall systems that protect sensitive battery electronics from static damage throughout the assembly process.
Battery cells undergo initial charge-discharge cycling (formation) in temperature-controlled rooms at 25–45°C for 24–72 hours. Thousands of cells are processed simultaneously, generating significant heat loads. Cleanroom sandwich panels with high-performance rockwool insulation minimize thermal bridging between adjacent temperature zones, reduce HVAC loads, and maintain the tight temperature uniformity (±0.5°C) required for consistent SEI layer formation and cell performance.
K-STONE Cleanroom System Engineering (Suzhou) Co., Ltd. is a professional cleanroom system supplier specializing in the design and construction of cleanroom engineering projects. With nearly 20 years of industry experience, our core team brings extensive expertise and deep understanding of cleanroom technologies and standards.
Founded in 2012, K-STONE has positioned itself as a trusted partner offering complete cleanroom solutions — from conceptual design to system integration and execution. We serve a wide range of industries, including pharmaceuticals, biotechnology, electronics, and medical applications, with a strong focus on tailored engineering services that meet the specific needs of each client.
At K-STONE, we are committed to creating value for our customers. Our services include engineering consultation, layout design, construction, and cleanroom system commissioning and operation, ensuring a seamless project delivery experience.



Established in 2019, Zhejiang Ailv Purification Technology Co., Ltd. is K-STONE's dedicated manufacturing arm, located in Meixi Industrial Park, Anji, Zhejiang Province. The facility spans 30 acres with a self-built factory of approximately 30,000 square meters.
The factory is equipped with state-of-the-art production lines and testing equipment, enabling high-precision manufacturing of cleanroom components including:
Our products are widely applied in biomedical, food processing, electronics, semiconductors, new energy (lithium battery), and medical aesthetics industries. By integrating design, production, and quality control, we ensure high-performance, reliable cleanroom solutions for global customers.
The values and vision that drive every cleanroom solution we deliver for the global new energy industry.
To become a leading force in the global cleanroom industry.
K-STONE is committed to driving innovation and setting new benchmarks in clean environment engineering — with a particular focus on the rapidly growing new energy and automotive battery manufacturing sectors.
Quality first, pursuit of excellence.
We strive to deliver high-performance cleanroom solutions through uncompromising quality and continuous improvement, ensuring every lithium battery facility we build meets the highest international standards.
Professionalism. Dedication. Customer Value.
We are driven by a strong sense of responsibility, expertise, and the belief that our success is measured by the value we create for our clients in the EV battery and cleanroom industries.
At K-STONE, we go beyond supplying products — we deliver confidence, innovation, and long-term value for your lithium battery manufacturing facility.

Our rigorous quality standards and attention to detail ensure every product and project meets international compliance and client expectations — critical for automotive-grade battery facility certification.

We invest heavily in the research and development of new products, technologies, and materials to stay at the forefront of the cleanroom industry — including dry room solutions for next-generation solid-state battery production.

We have a highly experienced team specializing in cleanroom design, construction, and execution — ensuring efficiency, compliance, and reliable performance from concept to completion for your battery manufacturing facility.
K-STONE offers fully integrated engineering solutions for automotive battery and new energy manufacturing plants around the world. Our turnkey capabilities cover every critical aspect of facility development, including:




We understand that each battery manufacturing project must meet stringent regulatory requirements across different countries, while also adapting to the specific operational needs of each client. By providing customized, regulation-compliant turnkey solutions, K-STONE empowers manufacturers to achieve high performance, global compliance, and strong industry recognition.

Feasibility Research

Set Up The Project

Concept Design

Project Accounting

Contract Signing

Production Technology Transferring

Construction Design

Equipment Model Selection & Customization

Previous Preparation

Construction And Management

Completion Approval

After Sales Service
Partner with K-STONE for expertly engineered cleanroom sandwich panel solutions tailored to the precise demands of automotive lithium battery production.
Get a Free ConsultationExplore our full range of cleanroom components engineered for EV battery gigafactories and new energy production facilities.
50mm Silicon Rock Cleanroom Panel — Battery Formation Zone
50mm Stainless Steel Rockwool Panel — EV Battery Dry Room
50mm Hollow Magnesium Cleanroom Panel — Cell Winding Assembly
Stainless Steel Wash Basin — Battery QC Lab & Cleanroom Use
50mm Stainless Steel Rockwool Panels — Electrode Coating Cleanroom
50mm Hollow Magnesium Panel — Battery Pack Assembly Cleanroom
50mm Stainless Steel Rockwool Panel — Gigafactory Cleanroom Grade
Flush-Mounted Cleanroom Windows — Battery Production Line View