In recent years, Romania has emerged as a significant hub for pharmaceutical manufacturing, medical device production, and biotechnology in Central and Eastern Europe. Major industrial clusters in cities like Bucharest, Cluj-Napoca, Iași, and Brașov have seen substantial investments in state-of-the-art production lines. To meet strict European Union Good Manufacturing Practice (EU GMP) regulations and WHO guidelines, local factories require highly specialized cleanroom infrastructure. Among these, the Cleanroom Dispensing Booth (also known as a weighing or sampling booth) is crucial for ensuring product quality and operator safety.
A dispensing booth provides a negative-pressure, laminar-flow environment that protects operators from inhaling hazardous dust or powders during raw material weighing and sampling, while simultaneously preventing cross-contamination of the cleanroom environment. As Romanian pharmaceutical manufacturers upgrade their facilities to handle active pharmaceutical ingredients (APIs), highly potent compounds (HPAPIs), and sterile formulations, the demand for high-performance dispensing booths and cleanroom panels has surged.
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 for our partners in Romania and globally.




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, and medical aesthetics industries. By integrating design, production, and quality control, we ensure high-performance, reliable cleanroom solutions for global customers, including direct shipping and installation support in Romania.
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.
Quality first, pursuit of excellence. We strive to deliver high-performance cleanroom solutions through uncompromising quality and continuous improvement.
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.
At K-STONE, we go beyond supplying products—we deliver confidence, innovation, and long-term value. Here is why pharmaceutical and semiconductor manufacturers in Romania trust us:

Our rigorous quality standards and attention to detail ensure every product and project meets international compliance and client expectations.

We invest heavily in the research and development of new products, technologies, and materials to stay at the forefront of the cleanroom industry.

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



We understand that each 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 pharmaceutical manufacturers to achieve high performance, global compliance, and strong industry recognition.
In Romanian pharmaceutical plants, dispensing and weighing booths represent the critical first barrier of containment. Whether handling excipients, active substances, or liquid raw materials, maintaining an ISO Class 5 (Class A) environment is essential. K-STONE's dispensing booths are engineered with a vertical laminar flow design, where clean air is filtered through primary, medium, and HEPA filters before being blown downward. A small percentage of this air is exhausted to create a continuous negative pressure zone, preventing any airborne contaminants from escaping into the surrounding cleanroom.
1. Active Pharmaceutical Ingredient (API) Weighing: In the industrial platforms of Iași and Bucharest, factories handling high-potency APIs utilize K-STONE dispensing booths to protect operators from dust inhalation. The integrated cooling coils and specialized airflow patterns ensure that even temperature-sensitive compounds remain stable during processing.
2. Oncology and Sterile Compounding: Modern medical facilities and specialized oncology drug manufacturing centers in Cluj-Napoca demand the highest containment levels. Our booths feature dual-barrier protection, digital differential pressure monitoring, and safe-change (bag-in/bag-out) filter designs to handle cytotoxic substances safely.
3. Food & Nutraceutical Packaging: The thriving dietary supplement and functional food industry in Brașov relies on our stainless steel dispensing booths to prevent cross-contamination between different batches of herbal extracts and vitamin powders, maintaining clean label integrity and EU food safety standards.
By partnering with K-STONE and our manufacturing division, Zhejiang Ailv Purification Technology, Romanian businesses benefit from the optimal combination of cost-effective, high-precision manufacturing and localized service. We provide full documentation support (including IQ/OQ validation templates) that aligns with the requirements of the Romanian National Agency for Medicines and Medical Devices (ANMDMR). This guarantees that your facility will smoothly pass GMP audits and regulatory inspections.
We offer a complete suite of cleanroom structural panels, containment equipment, and sanitization fixtures tailored for compliance with local regulations in Romania and Eastern Europe.