What is the minimum order quantity?

The minimum order is 1x40'GP container, which is negotiable.

What coatings are applied to the pipes?

The pipes have cement mortar lining inside, and external zinc (not less than 130 G/M2) plus black bitumen paint (not less than 70 microns).

Large Diameter Ductile Iron Pipe/Tube K7, K8, K9

Name: Large Diameter Ductile Iron Pipe/Tube K7, K8, K9
Brand: DINGGIN HARDWARE(DALIAN) CO., LTD.
SKU: 702053132

Liaoning, ChinaDINGGIN HARDWARE(DALIAN) CO., LTD.

US$1,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Ductile Iron Pipes

Usage

Water Supply

Model NO.

ISO2531/EN545 DN80-DN2000

Joint Type

Rigid Joint

Section Shape

Round

Certification

ISO2531, EN545, EN598, ISO4179, ISO8179

Shape

Round

Customized

Gasket Material

EPDM

Place of Origin

Hebei China (Mainland)

Length

5.7m/6m

Diameter

80mm-2000mm

Inside Coating

Cement Mortar Lining

Yield Strength

Above 300MPa

Hardness

Within 230hbw

Yield (≥ MPa)

Above 300MPa

Paint

Black Bitumen

Packaging Detail

Wooden Pallets and Steel Bands

Delivery Detail

15 Days. Above 1000 Tons, Depend on Your Quantity

Transport Package

Wooden Pallets and Steel Bands

Specification

dn80-dn2000

Trademark

DINGGIN

Origin

Hebei

HS Code

73030090

Production Capacity

5000

Key features

Wide Diameter Range: Available in DN80 to DN2000, suitable for large diameter applications.

Multi-Standard Compliance: Certified under ISO2531, EN545, EN598, ISO4179, and ISO8179.

Customizable Options: Offers customized lengths, diameters, and special protective coatings.

Robust Protection: Internal cement mortar lining and external zinc plus bitumen coating.

High Strength Material: Yield strength above 300MPa and tensile strength above 420MPa.

Flexible Joint Types: Supports push-on, flange, and mechanical joint connections.

Fast Delivery: Standard delivery within 15-20 days depending on order quantity.

Third-Party Inspection: Supports inspections by SGS, BV, and other famous organizations.

Company profile

DINGGIN HARDWARE(DALIAN) CO., LTD.

Liaoning, China

CertifiedBusiness Type: Trading CompanyExport Year: 2011-11-25Nearest Port: DALIAN, QINGDAO, TIANJINAverage Response Time: ≤8.29h CertifiedTerms of Payment: LC, T/T, D/P CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryDinggin Hardware (Dalian) Co., Ltd. is identified as a Chinese trading company established in 2011, with 21 employees and 10 reported production lines. It offers cast iron, ductile iron, stainless steel, IBC, baluster, ornament, and chain products, with stated standards for several pipe and fitting categories. Reported output includes 60,000 tons of ductile iron pipes and fittings and 12,000 tons of cast iron pipes and fittings annually, while export sales account for 71%–90% of total sales. The supplier claims online support, after-sales service, quality management practices, and sales to 45 countries. However, supplier-management-system certification is listed as NIL, R&D experience is limited to two years, and the available information does not establish formal customization capability, financial credibility, or specific customer cases.

Supplier typeThe supplier is explicitly classified as a Trading Company and operates as a limited company in China. Its stated business scope spans hardware, industrial equipment, metallurgy, manufacturing, and construction-related products, with product keywords covering pipes, fittings, IBC tanks, balusters, and tire protection chains.

CertificationsSupplier-management-system certification is explicitly listed as NIL. The supplier claims to follow a quality management system and states that products have relevant certificates and follow standards including BS EN877, CSA B70, ASTM A888, ISO2531, EN545, and EN598, but the actual certificates are not provided in the slices.

After-Sales capabilityThe supplier explicitly offers communication by email, phone, and WhatsApp, along with online support and after-sales service. It also describes a team focused on quality control and customer service, providing direct evidence of stated support capability.

Production capacityThe supplier reports 10 production lines and annual output of 60,000 tons of ductile iron pipes and fittings, 12,000 tons of cast iron pipes and fittings, and 1,000 IBC pieces. It also reports a 182.3 m² manufacturing plant and one-month fulfillment times in both peak and off-peak seasons, providing explicit evidence of production and delivery capacity.