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Product profile
Customization
AvailableType
Ductile Iron PipesUsage
Water SupplyModel NO.
ISO2531/EN545Joint 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
Certified Quality Standards: Complies with ISO 2531, EN545, EN598, and ISO4179 standards for reliable performance.
Corrosion Resistant Coating: Features at least 130g/m2 zinc coating and 70um bitumen painting for long-lasting protection.
Customizable Pipe Coating: Coating can be customized to zinc-aluminum alloy, PU, or other specific requirements.
Flexible Joint Options: Available with push-on, K type, or self-restrained joints for easy installation and fixing.
Wide Size Range: Available in DN 80 to 2,600 mm, with lengths of 6m for bulk or 5.7m for container shipment.
Rigorous Quality Control: 100% tested via automatic inspection equipment including hydrostatic and dimensional checks.
Experienced Exporter: Over 10 years of export experience with SGS certification and ISO9001 factory certification.
Company profile

CertifiedBusiness Type: Trading CompanyExport Year: 2011-11-25Nearest Port: DALIAN, QINGDAO, TIANJINAverage Response Time: ≤1.65h 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 are the available pipe classes and sizes?
A:
The pipes are available in classes K9, K8, K7, Pn10, Pn16, and C40, C30, C25. Sizes range from DN 80 to 2,600 mm.
Q:What standards do the ductile iron pipes comply with?
A:
The pipes comply with ISO 2531, EN545, EN598, ISO4179, and ISO8179 standards for quality and performance.
Q:Can the pipe coating be customized?
A:
Yes, the coating can be customized to options such as zinc-aluminum alloy, PU, or other specific requirements.
Q:What are the standard lengths for shipment?
A:
The standard length is 6m for bulk shipment and 5.7m for container shipment, though other lengths like 5.5m are available.
Q:What types of gaskets are used?
A:
Gaskets are made of NBR rubber, natural rubber, SBR rubber, or EPDM rubber rings as per ISO4633.
Send Inquiry
*To:
DINGGIN HARDWARE(DALIAN) CO., LTD.
DINGGIN HARDWARE(DALIAN) CO., LTD.*Content:
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