I am a small business owner, can I buy from you?

Yes, you are warmly welcomed. To grow with our customer is our goal. We would like to grow with you together.

What is your general lead time?

Normally 5-7 working days for off-the-shelf samples and 20-25 days for bulk production.

How should I place an order?

Please kindly click' Contact now' or 'Chat with supplier', Then our sales engineer will recommend you suitable products for your selection also give some valuable suggestion for your selection.

Since you are famous, can I be your agent?

Welcome to join us, we are happy to have a further discussion with you. Let's work together to make the world cleaner, safer and more productive.

Bleached Cotton String Wound Cartridge Filter with Safety Assurance

Name: Bleached Cotton String Wound Cartridge Filter with Safety Assurance
Brand: Hangzhou Darlly Filtration Equipment Co., Ltd.
SKU: 902087365

Zhejiang, ChinaHangzhou Darlly Filtration Equipment Co., Ltd.

US$0.65-3.50

500 Pieces

Product profile

Customization

Available

Type

String Wound

Usage

Environmental Protection, Chemical Industry, Water Treatment

Model NO.

Motive Force

Pressure

Style

Tube

Performance

Efficient Filtration

Certification

CE, RoHS, UR

Inner Diameter

28mm

Length

9.87", 10", 20", 30", 40"

Media

PP, Bleached Cotton, Glass Fiber

Inner Core

PP, Ss

Transport Package

Export Standard Packing

Specification

OD: 2.5"/4.5"

Trademark

Darlly

Origin

Hangzhou, China

HS Code

84219990

Key features

High Structural Strength: Withstands higher PSID and severe operating conditions due to tight inner layers.

True Depth Filtration: Structured loose outer layers and tight inner layers offer high dirt holding capacity.

Wide Chemical Compatibility: Suitable for chemical industry, water treatment, food, beverage, and pharmaceuticals.

Multiple Media Options: Available in PP, Bleached Cotton, and Glass Fiber with various micron ratings.

CE and RoHS Certified: Products meet CE, RoHS, and UR certification standards for quality assurance.

Customizable Specifications: Inner diameter, length, media, and inner core can be customized per requirements.

25 Years Experience: Leading manufacturer with US and EU R&D centers and global warehouses.

Low Media Migration: Design ensures extremely low media migration for pure filtration results.

Company profile

Hangzhou Darlly Filtration Equipment Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2005-01-01Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤3.19hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryHANGZHOU DARLLY FILTRATION EQUIPMENT CO., LTD. demonstrates broad customization, R&D, ODM, OEM, inventory, and export capabilities. It reports 19 years of export experience, self-operated import/export rights, structured finished-product inspection, and documented complaint-handling and corrective-action procedures. The supplier has valid contracts with associated subcontractors and 16 qualified service suppliers. However, no overseas warehouse, showroom, agents, branches, or overseas service countries are reported. Financial credibility cannot be assessed because the provided financial entries only identify years, without financial performance or monetary data. Certification holdings, production scale, and detailed customer outcomes are also not evidenced. Customer-case evidence is limited to one named buyer and participation in one offline trade show.

Supplier typeThe supplier is presented as an export-oriented manufacturer/service provider with self-operated import/export rights, 19 years of export experience, inventory capacity, and valid contracts with associated subcontractors. Shipment records identify filtration cartridge products and one associated buyer, while no overseas branches, agents, warehouses, or showrooms are reported.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, with written service-assessment procedures and a partially provided approved-supplier list. However, it reports no overseas agents, branches, or overseas service countries, limiting evidence of local international after-sales coverage.

R&D capabilityThe supplier reports new products within the past year, ODM service, broad design customization, an available SDK, and ERP-based digital management covering production, procurement, quality control, and logistics. These entries support active R&D and digital-process capability, although no specific innovation outputs or technical performance metrics are provided.

Production capacityProduction-related evidence includes uniformly followed finished-product inspection instructions, inventory capacity, valid contracts with each associated subcontractor, one-month lead times in both peak and off-season periods, and 16 qualified suppliers. The slices do not provide production volume, facility scale, or equipment details, but the documented operating controls support a positive capability assessment.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports R&D capability, new-product activity within the past year, and ODM service, directly supporting a broad customization offering.

Client casesEvidence includes participation in the German Filtration & Separation Exhibition and a shipment-related record naming DAX WATER TECH INDUSTRIES PRIVATE LIMITED as an associated buyer for two spun cartridge filter specifications. The slices do not provide multiple verified case studies, project outcomes, or customer testimonials, so the evidence is limited but positive.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a professional manufacturer of all kinds of filter cartridges, housings and filtration systems. We provide you the total filtration solutions with our 25 years experiences in the industry.

Q:May I have samples?

Sure, of course. Sample cost can be refunded if you place formal orders in the future.

Q:Can you make customized products?

Yes, of course if you can provide us detailed specifications or drawings. Our mission is to make customer's idea on the products and to provide the customer satisfied solutions.

Q:Can I use our own designed package?

Yes, size, color, logo and packaging style all can be customized.

Q:What's your MOQ?

Normally, 500 PCS/item. Any trial order which is less than MOQ is warmly welcomed. If you have a trial order, please feel free to contact us so that we can make some shipping recommendation for you to save the cost based on the quantity you need.