What are the main applications?

It is widely used in cleanrooms, subways, and industrial paint filtration.

How can quality be guaranteed?

We provide a pre-production sample before mass production and final inspection before shipment.

G4 Pre-Efficiency Filter Cotton Roll for Air Filter

Name: G4 Pre-Efficiency Filter Cotton Roll for Air Filter
Brand: Sichuan Huajie Purification Equipment Co., Ltd
SKU: 2003372222

Sichuan, ChinaSichuan Huajie Purification Equipment Co., Ltd

Negotiable

2 Square Meters

Sample price:US$2.68/square meter.Request sample

Product profile

Customization

Available

Clapboard

without Clapboard

Filter Number

Medium Material

Cotton

Efficiency

G3 G4

Filtration Grade

Pre Filter

Type

Filter Media

Initial Pressure

25 PA

Rate Airflow

7200 M/S

Work Temperature

200 ℃

Color

White

Porosity

5 Um

Feature

Economy

Transport Package

Plastic

Trademark

trairf

Origin

China

Production Capacity

100000 Square Meters

Key features

High Efficiency Filtration: Available in G2, G3, and G4 filtration grades for effective particle removal.

Flame Retardant Material: Meets DIN53438 Non-flammability Standard F1 for enhanced safety.

Washable and Reusable: Can be washed and reused approximately 2-3 times for cost savings.

Low Air Resistance: Designed with low resistance features for efficient airflow.

Wide Application Scope: Suitable for cleanrooms, subways, and industrial paint filtration.

Factory Direct Supply: Direct supply from factory ensuring competitive pricing.

Fast Delivery Time: Short delivery time of 7-10 days based on strong production capacity.

Certified Quality: Products guaranteed with ISO9001 and CE certificates.

Company profile

Self-brandedCustomization from DesignsStandardized quality controlHigh Repeat Buyers Choice

Sichuan Huajie Purification Equipment Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-11-13Nearest Port: Shanghai,Shenzhen,NingboAverage Response Time: ≤8.21hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier operates in metal structures, refrigeration, and air-conditioning equipment, with manufacturing, sales, research and development, and import/export activities. It reports ISO9001:2015 and CE certifications, documented complaint handling, quality assurance, raw-material traceability, and OEM service for well-known brands. Customization is available from designs or samples, including full, minor, and flexible customization. Production includes four lines, but the factory does not continuously reconcile quantities for each batch. Innovation evidence is limited: one R&D engineer and no new products launched in the previous year. Financial information is incomplete because only reference years are provided, without financial results or indicators. The supplier has export capability and reported repeat-buyer preference of 80%–100%, but no Fortune 500 cooperation and no overseas service-country coverage are stated.

Supplier typeThe supplier is a manufacturer and seller of metal structures, refrigeration, and air-conditioning equipment, with mechanical equipment R&D and import/export activities. It has four production lines, self-operated import/export rights, and export-trade staff, supporting classification as a manufacturing supplier with trading and engineering capabilities.

CertificationsThe supplier reports ISO9001:2015 management-system certification and CE product compliance certification. These certifications are explicitly stated in the company and certification information, although the company description also references an older ISO9001:2008 claim.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with followed records and a corrective and preventive action procedure with records. However, overseas service coverage is listed as zero, so the evidence supports structured complaint handling but not broad overseas service availability.

Production capacityThe supplier has four production lines, uniformly followed finished-product inspection instructions, quality assurance, and raw-material traceability. A deficiency is that the factory does not continuously reconcile quantities for each batch or batch-production volume, indicating a control gap in production quantity management.

Customization capabilityThe supplier explicitly offers customization from designs and samples, full customization, minor customization, and flexible customization. This directly demonstrates broad customization support.

Client casesThe supplier states that it has served many customers, including well-known brands, and provides OEM services for popular brands. It also reports repeat-buyer preference of 80%–100%, but no Fortune 500 cooperation and no named customer cases are provided.