One-Way Airflow Ducting Draft Blocker Backdraft Damper Duct Draft Stopper

Name: One-Way Airflow Ducting Draft Blocker Backdraft Damper Duct Draft Stopper
Brand: Ningbo Imetal Industry Co., Ltd
SKU: 2233791885

Zhejiang, ChinaNingbo Imetal Industry Co., Ltd

US$2.30

500-999 Pieces

US$1.80

1,000+ Pieces

Product profile

Customization

Available

Material

Galvanized Sheet

Usage

for Firefighting, for Air Conditioner

Model NO.

PVB

Application

for Ventilation

Shape

Round

Performance

for Ventilation

Name

Backdraft Damper

Model

PVB

MOQ

500PCS

Function

HVAC System

Transport Package

CTN

Trademark

imeta

Origin

China

HS Code

73079950

Production Capacity

300000pieces/Month

Key features

Comprehensive OEM/ODM Services: Offers full, minor, and flexible customization options based on customer designs.

Free Design and Media Services: Provides complimentary design services along with basic photo and video shooting.

Fast Sample and Stock Delivery: Samples delivered in 1-7 days; stock orders in 3-7 days after full payment.

1-Year Warranty Coverage: Includes free replacement of defective accessories in the next order.

Diverse Payment Options: Accepts T/T, Western Union, PayPal, LC, D/P, and small-amount payments.

Global Shipping Solutions: Transported via DHL, UPS, EMS, Fedex, air freight, and sea freight.

Galvanized Metal Construction: Made from durable galvanized sheet metal for HVAC and firefighting systems.

Round Duct Damper Design: Specifically designed for ventilation and backdraft control in HVAC systems.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience

Ningbo Imetal Industry Co., Ltd

Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤2.05h

AI-Powered supplier vetting

SummaryNingbo Imetal Industry Co., Ltd is a China-based trading company established in 2022 with 18 employees. It offers metal, rubber, and plastic products and states that its sales, customer service, design, and R&D teams support technical assistance and customized solutions. The supplier reports one year of total R&D engineer experience and has no listed certification for supplier management systems. SGS conducted an audit with a report period from July 31, 2025 to July 30, 2026, but the provided audit result code does not establish a positive or negative assessment. Export sales are stated as 71%–90%. Most manufacturing, warehousing, quality-control, sustainability, R&D-service, and customer-reference fields are unknown. No financial data is assessed or reported.

Supplier typeThe supplier is explicitly identified as a Trading Company, while its primary offerings include metal, rubber, and plastic products. This indicates a trading-oriented business profile rather than confirmed direct manufacturing ownership.

CertificationsSupplier-management-system certification is explicitly listed as NIL. An SGS audit is recorded with a defined report period, but the provided information does not identify a certification held or establish a positive audit outcome.

After-Sales capabilityThe supplier states that its sales and customer-service teams handle inquiries, provide technical support, and help ensure timely product receipt, and it emphasizes service throughout the customer relationship. These statements explicitly support an after-sales and support capability.

Customization capabilityThe supplier explicitly states that its design and R&D teams develop customer-specific and project-based solutions, including custom HVAC components and specialized hardware tools, tailored to exact specifications. This is direct evidence of customization capability.

Product Q&A

Q:How to Order?

Step 1, please tell us what model and quantity you need, Step 2, then we will make a PI for you to confirm the order details; Step 3, when we confirmed everything, can arrange the payment; Step4, finally we deliver the goods within the stipulated time.

Q:When will make delivery?

Delivery Time -Sample Order: 1-7days after receipt of the full payment, -Stock Order: 3-7days after receipt of the full payment -OEM: 12-20 days after receipt of the deposit

Q:What is the warranty policy?

1 year warranty for all kinds of products; If you find any defective accessories first time, we will give you the new parys for free to replace in the next order as an experienced manufacturer, you can rest assured of the quality and after-sales service.

Q:What are the payment terms?

T/T, WesternUnion, Paypal

Q:How are products transported?

Transported by DHL, UPS, EMS, Fedex, Air freight, Sea freight