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Product profile
Customization
AvailableType
Ductile Iron PipesUsage
Water SupplyModel NO.
ISO2531Joint Type
Flange JointSection Shape
RoundCertification
ISO2531, EN545, EN598, ISO4179, ISO8179Shape
RoundCustomized
CustomizedGasket Material
SBRProduct Name
Ductile Iron PipesClass
K9 .K8 K7 Pn 10.Pn16Factory Certifiacte
ISO9001Zinc Coat
130G/M2Bitman Coat
70 UmGasket
SBR, NBR, EPDMCertificate
Coc Issued by SGSExport Experience
More Than 10yearsQuality Control
100% TestLength
6m.5.7m 5.6m .5.5mTransport Package
Wood Pallat, Steel StripSpecification
EN545/ISO2531Trademark
DingginOrigin
Hebei, ChinaHS Code
73030090Production Capacity
500ton/MonthKey features
Comprehensive Certifications: ISO2531, EN545, EN598, ISO4179, ISO8179, and SGS certification available.
Customizable Coatings: Coatings can be customized, including zinc-aluminum alloy and PU, beyond standard zinc/bitumen.
Wide Size Range: Available in DN 80 to 2,600 mm with various pipe classes (K9, C40, etc.).
100% Quality Inspection: Automatic inspection equipment checks dimensions, pressure, and visual appearance.
Flexible Joint Options: Offers push-on, K type, and self-restrained joints for easy installation.
Experienced Exporter: Over 10 years of export experience with 24/7 online support from Ms. Fu.
Standardized Lining: Internal cement mortar lining complies with ISO4179 for water supply safety.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2011-11-25Nearest Port: DALIAN, QINGDAO, TIANJINAverage Response Time: ≤1.72h 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.
Product Q&A
Q:What certifications do the ductile iron pipes have?
A:
The pipes are certified under ISO2531, EN545, EN598, ISO4179, and ISO8179. Additionally, a Certificate of Conformity (Coc) issued by SGS is available.
Q:Can the pipe coating be customized?
A:
Yes, the coating can be customized. Beyond the standard zinc coating (130g/m2) and bitumen painting (70um), options include zinc-aluminum alloy and PU.
Q:What is the available size range for these pipes?
A:
The ductile iron pipes are available in a wide range from DN 80 to DN 2,600 mm, with various pipe classes such as K9, C40, C30, and C25.
Q:What are the standard pipe lengths for shipment?
A:
For bulk shipment, the standard effective length is generally 6 meters. For container shipment, the length is typically 5.7 meters.
Q:What types of joints are available?
A:
We offer multiple joint types including push-on joint (Tyton joint), K type joint, and self-restrained joint to suit different installation needs.
Send Inquiry
*To:
DINGGIN HARDWARE(DALIAN) CO., LTD.
DINGGIN HARDWARE(DALIAN) CO., LTD.*Content:
Supplier replies will be sent to your registered email
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