How do you control quality and delivery?

Production strictly follows standards. All machines are tested before packaging, and we use strong wooden packages for safe long-distance delivery.

What is your warranty policy?

Our warranty is 1 year. However, normally our machines can work for 5 years before repair.

Pre-Filter Backwashing for Household Use (one-inch outer thread)

Name: Pre-Filter Backwashing for Household Use (one-inch outer thread)
Brand: Shandong Feilong Environmental Protection Technology Co., Ltd.
SKU: 2129830822

Shandong, ChinaShandong Feilong Environmental Protection Technology Co., Ltd.

US$12.00

20 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Certification

CE, The Water-Related Approval Document Issued by The

Salt Rejection Rate

99.5%

Model NO.

DN 25

Application

Industry

Capacity

5000L/H

Cleaning Method

Manual Scrubbing

Performance

Efficient Filtration

Filter Fineness

40 Micrometers

Scrubbing Device

Rinse-Free Filter Screen

Transport Package

Carton Packing

Specification

DN 25

Trademark

Origin

China

Production Capacity

10000pieces /Year

Key features

High Filtration Precision: 40 microns filter fineness effectively intercepts sand, rust, and insect eggs.

Efficient Water Output: Produces 5000 liters of filtered water per hour for household use.

Comprehensive Impurity Removal: Removes scale, alkali, bacteria, and viruses to meet direct drinking standards.

Durable Service Life: Machine designed to operate for 5 years before requiring repair.

Flexible Customization Options: Offers full customization, minor customization, and customization from samples or designs.

Strict Quality Control: 100% inspection including function and visual checks before packaging.

Secure Packaging: Wooden package ensures safety during long-distance delivery.

Comprehensive Warranty: Provides 1-year warranty coverage for all mechanical equipment.

Company profile

Quality Assurance100% Finished Products InspectionImporters and ExportersProduction Process Visualization

Shandong Feilong Environmental Protection Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.10h CertifiedTerms of Payment: Small-amount payment, Western Union, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier manufactures water treatment equipment and reports annual productivity of 100,000 sets, with one production line. It offers extensive customization and ODM services, and states that it has qualifications for sewage treatment and reuse and can undertake small and medium-sized project renovations. Quality controls include 21–30 quality control staff, raw-material traceability, and quality assurance, but finished products are checked by packing staff and no written corrective/preventive action procedures are reported. The supplier has inventory capability and lead times within 15 workdays in both peak and off-season, but lacks valid manufacturing-capacity contracts, overseas warehouses, overseas agents or branches, and overseas showrooms. Financial credibility and innovation are difficult to establish because the provided financial records report zero figures and the supplier states that no new products were developed in the past year. No customer cases or major-brand OEM relationships are provided.

Supplier typeThe supplier is identified as a manufacturer of water treatment equipment, reporting 100,000 sets of annual output and operating one production line. It also states that it can undertake small and medium-sized water treatment project renovations, while having no valid manufacturing-capacity contract with related subcontractors.

Financial creditThe supplier reports annual production output below the stated threshold and provides financial records showing zero operating revenue, costs, profit, margins, and current ratios for the reported periods. These figures do not establish financial strength or reliable operating continuity, although the slices do not explain whether the values reflect inactive operations, unavailable data, or another reporting condition.

Production capacityThe supplier reports one production line and annual water-treatment-equipment output of 100,000 sets, with inventory capability and 15-workday lead times in both seasons. Capacity governance is weaker because there is no ongoing batch-volume reconciliation, no outsourcing standard operating procedure, and no valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, giving clear evidence of broad product customization capability.

Product Q&A

Q:Are you a trading company or manufacturer?

Yes, we are a manufacturer with designing, manufacturing, marketing and exporting capabilities. We have 5000 square meters of our own workshop.

Q:What information do you need before an order?

We need to know your raw water type, the required capacity per hour of the equipment, and the application of the purified water.

Q:Which machine should I choose?

The choice depends on your raw water quality and your specific requirements.

Q:What are your terms of payment?

For payments under 1000USD, 100% is required in advance. For payments of 1000USD or more, 40% T/T is required in advance with the balance before shipment.

Q:How long is your delivery time?

Normally it is 10-20 days, depending on your project.