How do you ensure product quality?

Every order undergoes over 10 regular checks and 5 random checks, with third-party testing available.

What are your main application areas?

Our products are used in household, electronics, automotive (GM, Rover), machinery, hospital, petrochemical, and aerospace industries.

Flexible Rubber Duckbill Valve One-Way Flow Anti-Backflow Check Valve

Name: Flexible Rubber Duckbill Valve One-Way Flow Anti-Backflow Check Valve
Brand: Qingdao Brother Rubber Co., Ltd.
SKU: 1985919352

Shandong, ChinaQingdao Brother Rubber Co., Ltd.

US$3.00

200-999 Pieces

US$2.50

1,000-4,999 Pieces

US$2.00

5,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Usage

Agricultural, Industrial, Medical, Vehicle, Electronic, Household

Material

NR / EPDM / Silicone / FKM

Model NO.

BR-Rubber Mold Parts

Item Name

Rubber Duckbill Valve

Materials

NR / EPDM / Silicone / FKM

MOQ

200 Pieces

Color

Black

Size

Custom Size

Transport Package

Plastic Bag and Cartons Outside

Specification

Depends on Your Samples or Drawings

Trademark

OEM or Brother Rubber

Origin

Qingdao, China

HS Code

4016991090

Production Capacity

12000000pieces/Year

Key features

Customizable Size and Shape: All sizes, thicknesses, and shapes available based on client drawings or samples.

Wide Material Selection: Offers EPDM, NR, SBR, Silicone, FKM, TPE, and various other rubber and plastic materials.

Flexible Color Options: Available in natural, black, Pantone codes, RAL codes, or custom client requirements.

Comprehensive Certifications: ISO 9001, TS16949, FDA, REACH, ROHS, and SGS certified for quality assurance.

Rapid Sample Delivery: Free samples available with a lead time of only 3 to 5 days.

High Production Efficiency: 350T vacuum pressing machines enable 3-minute cycle time per mold with 24/7 shifts.

Durable Mold Life: Molds designed for 100,000 to 300,000 cycles with 1 to 400 cavities.

OEM/ODM Manufacturing: Professional manufacturer offering full OEM and ODM services with custom branding.

Company profile

Qingdao Brother Rubber Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-08-01Nearest Port: Qingdao PortAverage Response Time: ≤2.78hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, EXW

AI-Powered supplier vetting

SummaryQingdao Brother Rubber Co., Ltd. is a China-based limited company in Shandong identified as both a trading company and manufacturer/factory, offering rubber and plastic products. Its export activity began in 2015, with 51%–70% of sales from exports and both agency-based and self-operated export methods reported. Production evidence includes multiple pressing machines, more than 10 quality checks per order, dedicated QC staff on each production line, and in-house testing equipment for rubber performance. The supplier reports customers in Europe, America, and Oceania, but most service capabilities, environmental compliance documents, innovation functions, and overseas infrastructure are marked unknown. A TUV Rheinland audit is recorded, with the audit evaluation result shown as 0; the available data does not explain the scoring basis.

Supplier typeThe supplier is explicitly classified as both a trading company and a manufacturer/factory. It is a limited company based in Qingdao, Shandong, China, and its primary product is identified as rubber and plastic products.

After-Sales capabilityThe supplier describes strong follow-up service and responsiveness to customer needs, but overseas warehouse, showroom, agent or branch service, and in-stock service capabilities are all marked unknown. The evidence supports a stated service strength but does not establish structured after-sales infrastructure.

Production capacityProduction capacity is supported by multiple pressing machines, including 350T vacuum pressing and 300T and 250T machines. The supplier reports more than 10 quality checks per order, at least two QC staff per production line, and in-house testing, although annual output quantities are not provided.

Client casesThe supplier states that its main customers come from Europe, America, and Oceania, naming the UK, USA, Spain, Denmark, Germany, Australia, and Finland as example markets. Export sales account for 51%–70% of total sales, and export activity reportedly began in 2015, indicating international customer experience, although no named customer contracts or independently verified case studies are provided.