What is your working time? What if we can't speak English and Chinese?

Our office work time is from Monday to Friday ,but our sales team provides 7x24 hours online customer service . We have multi-language customer service team on staff.

What certificates do you have ?

Our company is ISO & SGS certified , our products are ASTM A554,ENEN10296-2,GB/T 12770 approved.

How do you control the quality during the polishing process and inspect all other production steps?

---For the mirror polish tube , we will polish it at least four times; ---During the polishing processing, we set a special sanding wheel to polish the welding part; ---The Quality inspection covers each production processes from raw material,tube welding,polishing,packaging; ---Before the production of each machine, we will have the first checked and record the data; ---During the production, our inspector and engineer have been carefully moniting and we record the data every two hours.

Nfrc CE Storm Proof Aluminum Louver Window Guard Shutters Blinds Bahama

Name: Nfrc CE Storm Proof Aluminum Louver Window Guard Shutters Blinds Bahama
Brand: Nanchang Dorwin Tech Co., Ltd.
SKU: 2143981562

Jiangxi, ChinaNanchang Dorwin Tech Co., Ltd.

US$188.00

10-99 Square Meters

US$58.00

100+ Square Meters

Product profile

Customization

Available

After-sales Service

Available

Warranty

30 Years

Model NO.

DW-W-S01

Color

Grey,White,Black,etc.

Dimensions

Customized

Price

Negotiable

Operated by

Manually or Solar Powered

Size

Tailored

Transport Package

Wooden Case/Carton Box/Nylon Bag

Specification

Customized

Trademark

Dorwin Tech or OEM

Origin

China

Production Capacity

1000 Square Meters Per Month

Key features

30-Year Warranty: Comprehensive warranty coverage for 30 years on all products.

Customized Dimensions: All sizes can be tailored to specific requirements with precise tolerances.

Multi-Color Options: Available in Grey, White, Black, and other custom color choices.

Flexible Power Options: Operated manually or via solar power to suit different needs.

High Stability & Resistance: Features high stability, corrosion resistance, and fire resistance.

ISO & SGS Certified: Products approved by ISO, SGS, ASTM, and CE standards.

Free Sample Available: Standard product samples are free; customized samples may incur charges.

Professional Manufacturing: Direct manufacturer with stable supply chain and competitive pricing.

Company profile

Nanchang Dorwin Tech Co., Ltd.

Jiangxi, China

Business Type: Manufacturer/FactoryExport Year: 2011-12-02Nearest Port: Nanchang/Shanghai/NingboAverage Response Time: ≤1.72hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryNanchang Dorwin Tech Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Nanchang, Jiangxi. Its stated product scope covers sunrooms, enclosures, prefab houses, pergolas, doors, and windows for the construction and decoration sector. The supplier reports more than a decade of sunroom product research and production, whole production lines, in-house manufacture of windows and doors, ISO 9001:2015 certification, CE-certified products, and annual SGS certification. It reports that 90% of sales are exports, exports began in 2011, and customers span all five continents. The available evidence supports production capability, certification holding, international market experience, and documented customer project exposure. However, the slices do not sufficiently establish after-sales service, financial credibility, innovation beyond general product and technology claims, or customization capability. Trade data is limited to two transactions and should not be treated as...

Supplier typeThe supplier is described both as a trade company in one company-profile slice and as a manufacturer/factory in another. Its stated factory location, product manufacturing claims, whole production lines, and in-house production of windows and doors support a manufacturing role, although the conflicting trade-company classification creates some entity-type ambiguity.

CertificationsThe supplier states that its factory has passed the ISO 9001:2015 quality management system, its products are CE certified, and the company is certified by SGS annually. These are explicit certification claims, although the slices do not provide certificate numbers, scopes, or validity dates.

Production capacityThe supplier claims over 11 years of sunroom-product production experience, complete production lines, in-house production of components such as windows and doors, and a factory in Anyi Industrial Park. These statements provide explicit support for production capability, though no capacity, equipment, workforce, or lead-time figures are supplied.

Client casesThe supplier claims to have served more than 10,000 residential and commercial projects and clients on all five continents. A trade-data slice also records one associated buyer and two transactions, but it does not independently substantiate the scale or quality of the broader project claims.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer and exporter of building materials in China. Our manufacturer locates in Anyi industrial park,where stable raw material supply chain and industry chain here make it easy for us to offer approved products with the most competitive price and prompt lead time.

Q:What is the standard delivery time ?

For OEM & ODM orders, delivery time varies and negotiable. Please confirm with our sales manager in your region before placing your order.

Q:Do you provide free samples?

Standard product samples are free. Customized product may occur molding charges. Sample freight will be at customer's cost.

Q:What is the MOQ ?

We try all our best to satisfy our customers with low MOQ, please consult our sales manager in your region.

Q:Do you take OEM & ODM orders?

OEM & ODM orders are always welcomed.