
01 · Quality control
Physical and chemical laboratory
A dedicated laboratory supports material checks and water-quality evaluation during product development.
About Lemon
Founded in 2012, we have grown from a small workshop into a water purification manufacturing partner serving brands and distributors in more than 10 countries.

Lemon Environmental Technology Co., Ltd. (柠檬环境科技有限公司) develops and manufactures water purification products for brands, distributors, and project partners. Our work covers existing-product OEM programs and ODM development for residential and commerci...
Our 10,000 m² ISO-certified facility houses advanced RO membrane production lines, filter assembly workshops, injection molding for housings, and a dedicated water quality testing laboratory. Our project scope can cover product design, mold development, and prototyping to mass production, packaging design, and international logistics.
We serve brands across 10+ countries, providing customized RO systems, UF purifiers, UV sterilizers, water softeners, and replacement filter cartridges. Inspection and documentation are agreed according to the product specification and the requirements of each target market.
Inside our operation
A look inside the laboratory, environmental testing, membrane production, and final assembly areas behind our manufacturing programs.

01 · Quality control
A dedicated laboratory supports material checks and water-quality evaluation during product development.

02 · Reliability testing
Controlled temperature and humidity testing helps evaluate components and finished products under defined conditions.

03 · Membrane production
Dedicated production areas support ultrafiltration membrane preparation and controlled manufacturing processes.

04 · Manufacturing
Organized assembly lines and inspection checkpoints carry products through final assembly and packing.
Key moments in our development as a water purification ODM and OEM partner.
Established in Zhongshan, Guangdong with focus on RO membrane and filter R&D.
Moved to current 10,000 m² facility in Caixun Technology Park, Zhongshan.
Achieved ISO 9001:2015 certification for quality management systems.
Launched IoT-enabled smart water purifier series with mobile app integration.
Added automated RO membrane production line, doubling annual output capacity.
Products now sold in 10+ countries through brand partnerships and ODM/OEM programs.
The principles that guide our product development, production, and customer relationships.
Product decisions start with filtration performance, material suitability, safety, and the user experience.
From material sourcing to final inspection, every step is documented and shared with our clients.
We invest in long-term relationships, not one-off transactions. Your success is our success.
Documented checkpoints and clear production milestones help keep projects aligned with the agreed plan.
Our quality systems and product documentation support the testing and compliance needs of different target markets.
Issued by SGS, 2018
Issued by TÜV Rheinland, 2019
Our ODM and OEM programs support customers across a growing range of international markets.