Our water pitcher activated carbon filter cartridge utilizes high-quality coconut shell activated carbon, achieving a residual chlorine removal rate of over 95% in tap water, while effectively adsorbing discoloration, odors, and certain organic pollutants. Under standard usage conditions (daily household use of about 2-4L), a single filter cartridge can last up to 150L or 1-2 months of usage. All performance data have been rigorously tested and verified by our national CNAS accredited laboratory to ensure data authenticity and reliability.

Yes, our water purification products have been certified by NSF, EPA, and related European drinking water safety standards, with materials meeting food contact requirements. The company as a whole is certified by ISO 9001, ISO 14001, and ISO 45001, and has also obtained IATF16949 and medical product GMP certifications in 2024, comprehensively ensuring the safety and compliance of products from raw materials to finished products, meeting the entry requirements of high-end markets in Europe, America, Japan, and South Korea.

We have over 20 years of OEM/ODM experience and support comprehensive customization services, including: filter cartridge dimensions and interface structures (compatible with mainstream water pitcher brands like Brita, PUR, or custom pitcher models), activated carbon formulations (coconut shell carbon, coal-based carbon, ion exchange resin composites, etc.), filter cartridge housing color and logo printing, independent packaging, and color box design, etc. Our company has accumulated thousands of filtration solutions and can quickly develop custom solutions based on customers' target markets and functional requirements.

Cleantop's factory covers an area of 50,000㎡, including 6 clean workshops totaling 20,000㎡, with filter cartridge filling and packaging completed in compliant clean environments to avoid secondary contamination. We are equipped with a national-level CNAS accredited testing center to perform full tests on residual chlorine removal rates, flow rates, particle release, heavy metal leaching, etc. Each product batch undergoes a three-level quality control process comprising IQC incoming inspection, IPQC process inspection, and OQC outgoing inspection, ensuring stable and consistent quality.

The MOQ is typically 1000-2000 units, depending on product specifications and packaging requirements; for custom models, the recommended MOQ starts from 5000 units. In terms of delivery time, standard products in stock can be shipped within 7-15 days; the mass production delivery time for OEM custom orders is generally 25-35 days. We have our factory in Zhongshan, Guangdong, with flexible production scheduling, and can arrange VMI inventory or phased delivery for long-term cooperative customers to ensure stable supply chain.

Yes. For B2B customers with clear purchasing intentions, we can provide standard model free samples (shipping costs are usually borne by the customer) for performance testing and market evaluation. If customized samples are needed, our engineering team will create samples based on customer specifications or samples, and provide test reports issued by a CNAS laboratory, assisting customers in completing technical docking and purchasing decisions.

Our products have been sold to over 30 countries and regions including Europe, the United States, Japan, and South Korea, serving numerous well-known water purification brands, traders, and chain retail customers. With NSF, EPA, and BSC1 international certification qualifications and stable product quality, we have established a good reputation in high-end markets in Europe and America, fully meeting the regulatory and labeling requirements of different regions.

The standard packaging consists of a single PE independently sealed bag + color box + outer box, effectively moisture-proof and extending the shelf life of the filter cartridge. We fully support packaging customization, including color box printing design (customers provide design drafts or assistance from our artists), multilingual manuals, blister packaging, clamshell packaging, and labeling information compliant with EU and FDA requirements, helping customers create an exclusive brand image.