What is the lead time for production?

The average lead time is one month for both peak and off-season periods.

What is the bubble size produced?

The diffuser produces fine bubbles with a size of 4-5mm.

Disc Type EPDM Submersible Micro Bubble Diffuser for Wastewater Treatment System

Name: Disc Type EPDM Submersible Micro Bubble Diffuser for Wastewater Treatment System
Brand: Qingdao EVU Environmental And Engineering Equipment Co., Ltd.
SKU: 794289462

Shandong, ChinaQingdao EVU Environmental And Engineering Equipment Co., Ltd.

US$1.00-10.00

10 Pieces

Product profile

Customization

Available

Type

Aerators

Method

Physical Treatment

Usage

Industrial, Agriculture, Hospital

Color

White, Black

Membrane Thickness

2mm

Bubble Size

4-5mm

Weight

Warranty

1 Year

Connector

3/4′′ NPT Male Thread

Diameter

DN215/260/300/350mm

Transport Package

Standard

Specification

8/9/12 Inch

Trademark

Spark

Origin

Qingdao China

HS Code

8421999090

Production Capacity

1000 Sets/Month

Key features

High Efficiency Aeration: Produces fine bubbles for substantial oxygen mass transfer and energy saving.

Durable EPDM Material: Highly tear resistant, anti-clogging, anti-corrosion, and ageing-resistant.

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

Wide Application Scope: Suitable for municipal, industrial, agricultural, and hospital wastewater treatment.

Low Resistance Loss: Designed for efficient operation with minimal pressure drop in aeration tanks.

Versatile Connector: Features 3/4 inch NPT male thread connector for easy installation.

Multiple Size Options: Available in DN215, DN260, DN300, and DN350 diameters to fit various tanks.

CE Certified Quality: Product holds CE certification ensuring compliance with safety standards.

Company profile

Importers and ExportersYears of Export ExperienceFull CustomizationQuality Assurance

Qingdao EVU Environmental And Engineering Equipment Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 26 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.12h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing company with one production line, documented outsourcing procedures, and valid manufacturing contracts with associated subcontractors. It provides broad customization and ODM services, but reported no new products during the past year and has no SDK availability. Quality systems include ISO9001:2015, ISO45001:2018, ISO14001, CE capability, documented inspection instructions, and recorded corrective-action and complaint-handling procedures. Service coverage is domestically oriented: it has inventory capability but no overseas warehouse, showroom, agents, branches, or reported overseas-service countries. Financial evidence is limited to a stated current ratio of 1 and historical operating information; monetary figures are omitted for privacy. The supplier states that it provides OEM services for well-known brands, but no specific customer names or cases are supplied.

Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its offerings cover manufacturing, export trade, service, quality control, R&D, and sustainable development. This indicates a multi-function supplier structure, although the slice does not further define ownership or organizational composition.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, plus CE product certification capability. It also conducted regular fire drills during the past year, providing additional evidence of documented management practices.

After-Sales capabilityThe supplier has inventory capability, documented procedures and records for handling customer complaints and corrective/preventive actions, and a stated one-month average lead time in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or reported overseas-service countries, limiting international after-sales reach.

Customization capabilityBoth manufacturing and R&D information lists customization from samples, designs, minor and full customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization support.