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300mm Coarse Micro EPDM Membrane Bubble Diffuser Aeration Bubble Air Diffuser Fine Bubble
US$2.00-15.00
10 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Online SupportWarranty
1 YearsModel NO.
8 inch 9 inch 12 inch 215mm 260mm 300mmType
AeratorsMethod
Physical TreatmentUsage
Industrial, Home, Agriculture, Hospital, Sewage Treatment EquipmentMaterial
EPDM+RubberCertification
ISO9001, SGS, CEMembrane Material
EPDM/Silicone/PTFEProductivity
20000PCS/MonthService Life
More Than 5 YearsShape
Flat or Arch TypeBubble Type
Coarse Bubble, Fine BubbleConnector
3/4" NPT Male ThreadColor
Black, White, BluePlace of Origin
ChinaSample
AvailableOxygenate Capability
0.13~0.5 KGO2/HProduction Type
Tube Diffuser, Disc DiffuserWorking Air Flow
1.5~8 M3/HWater Submerged Depth
4-8mTransport Package
Carton and PalletSpecification
8 inch 9 inch 12 inch 215mm 260mm 300mm 330mmTrademark
QINGHUIOrigin
ChinaHS Code
4016999090Production Capacity
20000PCS/MonthKey features
High Oxygen Transfer Efficiency: Achieves oxygen utilization ratio >30% with fine bubble technology for enhanced wastewater treatment.
Anti-Blocking Design: Equipped with check valve to prevent backflow and over 6300 perforations for 99.9% membrane opening rate.
Durable EPDM Material: Made from imported German raw materials (EPDM/PTFE/Silicone) with a service life of 5-8 years.
Energy Saving Performance: Low resistance loss (<3000 pa) and high theoretic dynamic efficiency (6.5 kgO2/kw.h) reduce ventilation costs.
Versatile Application: Suitable for municipal sewage, industrial wastewater, fishponds, and aerobic processes in various basins.
Customizable Options: Available in Flat or Arch shapes with Black, White, or Blue colors to meet specific project needs.
Certified Quality: Products hold ISO9001, SGS, and CE certifications ensuring reliability and safety for global markets.
Fast Delivery: Standard delivery within 3-5 working days after payment receipt, with monthly productivity of 20,000 pcs.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.01h
AI-Powered supplier vetting
SummaryThe supplier operates in manufacturing and processing of plastic products, with related glass, rubber, daily-necessity, mechanical-equipment, hardware, and electronic-product activities. It reports six production lines, 6–10 quality-control staff, and annual output stated at US$50 million–US$100 million. However, R&D resources and innovation services are limited: one year of R&D engineer experience, no patents, no new products in the past year, no ODM, OEM for popular brands, SDK, private-mold, professional-technical-supplier, or 3D design capability. Customization is available from samples. Service infrastructure is weak, with no written service, complaint-handling, or corrective-action procedures and no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial information is recorded mainly as zero values, so financial credibility cannot be positively established. No customer cases or certification details are provided.
Supplier typeThe supplier is explicitly engaged in manufacturing plastic parts and other plastic products, with additional processing and sales activities covering glass, rubber, daily necessities, mechanical equipment, hardware, and electronics. This supports classification as a diversified plastic-product manufacturer and processor.
After-Sales capabilityThe supplier has no written procedures or records for service assessment, corrective and preventive actions, or effective complaint handling. It also reports no overseas warehouse, showroom, agent, branch, or offline trade-show participation, although it provides stated quotation and payment options and reports service lead times within 15 workdays.
R&D capabilityInnovation capability is explicitly limited: the supplier reports zero R&D patents, no new products in the past year, no ODM, no OEM for popular brands, no SDK, no private-mold or professional-technical-supplier capability, and no 3D software design service. R&D engineer experience is stated as one year.
Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and annual production output stated at US$50 million–US$100 million. Its registered business scope directly covers manufacturing and processing plastic products, providing explicit evidence of production operations and scale.
Customization capabilityThe supplier states that its R&D design service is customization from samples. However, it does not provide private molds or 3D software design services, so customization is evidenced only for sample-based work and not for broader engineering or mold-development capability.
Product Q&A
Q:Whether your company is factory or trading company?
A:
Our company has its own workshop, so we can provide the the best quality and the lowest price for you.
Q:What's the material of your membrane?
A:
We can provide three kinds of membrane materials, including EPDM, PTFE and Silicone. The raw materials are 100% imported from Germany.
Q:What about the MOQ?
A:
10 pieces.
Q:What are the accessories of fine bubble diffuser?
A:
Aerator pipe, Horizontal regulating support, Connector, saddle, etc.
Q:Any samples can be provided?
A:
Yes. Samples within 2 pieces can be provided for free.
Send Inquiry
*To:
Hebei Qinghui Plastic Products Co., LTD
Hebei Qinghui Plastic Products Co., LTD*Content:
Supplier replies will be sent to your registered email
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