How do you control your quality?

We inspect three steps: raw material inspection, during production inspection and before warehousing inspection.

How often do you inspect your products?

For physical testing, we test every batch, it's about every one hundred meters. For the surface and size, we check every roll after production and before warehousing.

Can you print our logo on the rubber sheet or package bags?

Yes, we can print the logo as customer's design.

What is your product guarantee period?

Under the condition in the warehouse, we can guarantee two years no cracks even on our lowest grade product. On used products, it should depend on the using condition.

What certificate have you passed?

Our factory has passed ISO9001. Our product has passed reach standard testing, and SGS certificate.

We can produce as customer ideas.

How to deal with the faulty products once we got?

First, find the reason, it is the products problem or damaged by the transportation, no matter what the reason is, we will change a new part.

How to check the quality before shipment?

You can come to check by yourself, your friend or the third checking institution. Also can by video.

We can arrange free sample, but the international courier charge is by your side.

Heavy-Duty Weatherproof Rubber Seal Strip for Car Windows

Name: Heavy-Duty Weatherproof Rubber Seal Strip for Car Windows
Brand: Nanjing Demeters Rubber & Plastic Products Co., Ltd.
SKU: 1971763415

Jiangsu, ChinaNanjing Demeters Rubber & Plastic Products Co., Ltd.

US$0.40-5.00

1,000 Meters

Sample price:US$0.00/meter.Request sample

Product profile

Customization

Available

Material

Silicone, Nitrile, Neoprene, EPDM, PVC, TPE, TPV

Usage

Automobile, Machinery, Doors & Windows, Truck

Model NO.

DMASS11

Type

Hollow Sealing Strip

Sectional Shape

OEM

Performance

Weatherproof Dustproof Waterproof Noiseproof

Vulcanization

Non-continuous Vulcanization

Standard

Standard, Nonstandard, OEM

Packing

Plastic Film with Carton

Description

Auto Door and Window Seal Strip

Application

Car Bus Truck Door and Window Seal Strip

Technique

Extrusion or Molded

Color

Black, White, Blue or as Your Requirement

Temperature

-40degree ----+170degree

Hardness

20~80 Shore a

Transport Package

Plastic Film with Cartons

Specification

standard and OEM

Trademark

Demeter

Origin

China

Production Capacity

10 Kilometers Per Month

Key features

Wide Material Selection: Available in Silicone, Nitrile, Neoprene, EPDM, PVC, TPE, and TPV.

Customizable Color: Offered in Black, White, Blue, or customized to client requirements.

Superior Sealing Performance: Provides weatherproof, dustproof, waterproof, and noise reduction protection.

OEM Customization: Sectional shape and product design can be customized according to customer ideas.

High Hardness Range: Hardness adjustable from 20 to 80 Shore A.

Multi-Application Usage: Suitable for car doors, windows, seats, buses, trucks, and machinery.

ISO Certified Quality: Factory holds ISO9001, ISO14001, and Ohsas18001 certifications.

Company profile

Nanjing Demeters Rubber & Plastic Products Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2015-06-01Nearest Port: ShanghaiAverage Response Time: ≤11.71hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryNanjing Demeters Rubber & Plastic Products Co., Ltd. is identified as a private manufacturer/factory in China, producing rubber and plastic products. Evidence indicates substantial production resources, including more than 10 production lines, extensive rubber-processing equipment, over 20 sets of testing equipment, 50 quality-control staff, and reported rubber-sheet and sealing-strip output. The supplier states that it holds ISO 9001 and ISO 14000 certifications and has 21–30 years of R&D engineer experience. Its product range includes industrial rubber sheets, flooring, mats, insulation and waterproof sheets, rubber lining, PVC products, rubber/plastic parts, and molds. The company reports exports to multiple countries and recognition in automotive and shipbuilding, but the provided information does not independently verify customer names, certification scope, after-sales processes, financial strength, or customization execution.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as a professional rubber and plastic products manufacturer integrating research, production, sales, and service. This supports classification as a direct manufacturing supplier rather than only a trading company.

CertificationsThe supplier reports ISO 9001 and ISO 14000 certifications, while another company description references ISO14001 and OHSAS18001. These statements provide explicit evidence of management-system certification claims, although the exact certificates, validity, and scope are not supplied.

R&D capabilityThe company describes itself as integrating scientific research and reports 21–30 years of total R&D engineer experience. Its mold-processing, molding-vulcanization, die-processing, and testing resources further support technical development capability, although no specific patents, new products, or documented R&D achievements are provided.

Production capacityProduction capability is strongly supported by more than 10 production lines, 50 quality-control staff, 30 rubber mixing machines, 20 flat vulcanizing machines, 50 drum vulcanizing machines, extrusion and molding equipment, more than 20 sets of testing equipment, and reported output of rubber sheets and sealing strips. The stated equipment and output indicate substantial manufacturing capacity.

Customization capabilityThe supplier operates mold-processing, molding-vulcanization, die-processing, and die-cutting capabilities and offers rubber/plastic parts, rubber molds, and multiple specialized rubber-sheet products. These capabilities directly support product variation and tooling-related customization, but the slices do not describe customer-specific customization workflows, minimum orders, or confirmed customized projects.

Client casesThe supplier reports exports to the United States, Singapore, Malaysia, Russia, Germany, France, Italy, and other countries, and states that its quality and customer support are recognized in automotive and shipbuilding. These are market and industry references, but no named customers, order examples, or independently verifiable case details are provided.