How is the quality of bulk orders checked?

We provide pre-production samples, quality certificates (measurement reports, COA, COO), and accept third-party inspections like SGS or TUV.

What is the monthly production capacity?

We produce more than 1500 tons of rubber materials per month, depending on the specific model.

What standards do you use for rubber products?

We mainly use ASTM D2000 for rubber material quality and ISO3302/ISO2768 for tolerances.

Electrical Pump Cast Iron Diaphragm Rubber Diaphragmoil Resistance

Name: Electrical Pump Cast Iron Diaphragm Rubber Diaphragmoil Resistance
Brand: Xiamen Best Seal Imp. and Exp. Co., Ltd.
SKU: 2265259955

Fujian, ChinaXiamen Best Seal Imp. and Exp. Co., Ltd.

US$0.01-0.09

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

Diaphragm

Product Name

EPDM Rubber Diaphragm

Model NO.

Compound Material

Meet ASTM D2000, Can Be Rosh, Reach Compliance

Hardness

From 20 ~ 90 Shore a

Color

as Per Request

Size

Customize Size

Package

PE Bag, Carton

Sample

Sample Avaliable

Advantage

Smooth Surface with Small Parting Line

Material

Rubber, Nitrile, NBR, EPDM, Silicone, Neoprere

OEM&ODM

Support

Certificate

Reach, ISO, RoHS

Shape

Custom Shape

Feature

High Temperature Resistance

Transport Package

PE+Carton

Specification

1*1*1

Trademark

Origin

China

Key features

High-Pressure Resistance: Fabric-reinforced rubber diaphragms designed to withstand high pressure environments.

Custom Shape & Size: Fully customizable shapes and sizes based on customer drawings or 3D models.

Wide Material Selection: Available in NBR, EPDM, Silicone, FKM, Neoprene, and other specialized rubber compounds.

100% Quality Testing: Every product undergoes water leakage testing and 100% visual inspection before shipment.

Multi-Industry Application: Suitable for chemical, medical, food machinery, and automation equipment sectors.

Certified Compliance: Products comply with ISO, RoHS, REACH, KTW, WRAS, and FDA standards.

OEM/ODM Support: Professional support for custom molded rubber and silicone products with fast development.

Company profile

Importers and ExportersManagement CertificationHigh Repeat Buyers ChoiceFull Customization

Xiamen Best Seal Imp. and Exp. Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤5.67h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Xiamen, with a business scope covering mold sales, mold manufacturing, professional design services, material research and development, and related product sales. It offers multiple forms of customization, ODM, and OEM services, and reports 12 years of export experience. Quality procedures are documented and uniformly followed, and ISO9001:2015 certification is reported. However, the supplier is not classified as a professional technical supplier, does not provide 3D software design services or SDKs, reported no new products in the past year, and lacks stated inventory, overseas warehouse, overseas branch or agent, showroom, and valid manufacturing-capacity contracts with affiliated subcontractors. Production equipment improvements are described, but manufacturing capacity is not fully verified. Financial records are referenced for 2022–2024, without sufficient performance details for a financial assessment. Customer-related evidence is limited to OEM...

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, although no additional certification details or certificate scope are provided.

After-Sales capabilityThe supplier reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. These limitations indicate weak documented overseas service infrastructure, although the slices do not directly describe warranty or complaint-handling procedures.

R&D capabilityThe supplier does not have an available SDK, is not classified as a professional technical supplier, and reported no new products in the past year. It does provide ODM services and describes investment in advanced automated machinery, but the available evidence does not establish strong product or technology innovation capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability, although 3D software design services are not provided.