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Plumbing Black Ring Locking Nut Gi Malleable Iron Pipe Fitting Backnuts Locknuts Malleable Iron Nut Bolt Lock
US$0.13-5.00
1,000 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Material
Malleable IronConnection
BacknutsApplication
Gas Oil WaterModel NO.
310Standard
Bsp NPT DINSize
1/2"-6"Working Pressure
1.6MPaHardness
<=Hb180Transport Package
in CartonsSpecification
1/2" to 8" InchTrademark
QIAOOrigin
ChinaHS Code
73079100Production Capacity
2000tons/MonthKey features
20+ Years Manufacturing Experience: Professional manufacturer established in 1994 with over 20 years of industry expertise.
High Production Capacity: Automated production line enables output of 2000 tons per month.
Wide Size Range: Available in sizes from 1/8 inch to 6 inches to meet various needs.
Multiple Surface Finishes: Offered in galvanized and black malleable iron finishes.
International Certifications: Certified with ISO 9000 and BV standards for quality assurance.
Global Market Presence: Products exported to Middle East, Europe, Latin America, and South America.
Flexible Connection Types: Available in Banded, Beaded, and Plain connection styles.
High Pressure Resistance: Designed to withstand working pressure up to 1.6 MPa.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-10-10Nearest Port: TianJinAverage Response Time: ≤9.17hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, DDP, EXW
AI-Powered supplier vetting
SummaryHebei Jinmai Casting Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, specializing in malleable iron, cast iron, galvanized, and other pipe fittings. It reports one production line and annual pipe-fitting capacity of 20,000 tons, with off-peak lead times of one month and peak-season fulfillment of 2–3 months. The supplier holds ISO 9001 and ISO 14001 management-system certifications and states that it produces products to British, American, and DIN standards. Export activity, self-operated import/export rights, broad international markets, and nearly 300 domestic retail shops indicate established commercial reach. Evidence supports production, certification, product-development, and market-experience strengths. However, the provided information does not sufficiently establish after-sales procedures, financial credibility, or formal customization capabilities.
Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its stated product range centers on pipe fittings, including malleable iron, cast iron, galvanized, and DIY-related products, indicating a specialized industrial manufacturing and trading profile.
CertificationsThe supplier reports ISO 9001 and ISO 14001 certifications and separately states that it has passed ISO 9001 and BV certification. These claims provide explicit evidence of recognized quality and environmental management certifications, although the provided slices do not include certificate numbers, validity dates, or scopes.
R&D capabilityThe supplier reports 6–10 years of R&D engineer experience and states that it develops and produces multiple brands and products aligned with British, American, and DIN standards. Its DIY fittings for lamps, bookshelves, clothes shelves, and wall racks also demonstrate product application development, supporting an innovation capability assessment.
Production capacityThe supplier reports annual pipe-fitting productivity of 20,000 tons, one production line, 11–20 quality-control staff, and robust production capacity. It also states that it produces multiple pipe-fitting categories and standards, with stated lead times of one month off-season and 2–3 months during peak season.
Client casesThe supplier reports nearly 300 domestic retail shops and sales across Europe, the Americas, Asia, Australasia, Africa, and other listed regions. It also states that its products have received high praise from national and international customers, providing evidence of broad market experience, though no named customers or project-specific case studies are supplied.
Product Q&A
Q:Are you a trading company or manufacturer?
A:
All we are.
Q:How long is your delivery time?
A:
Generally it is 10-15 days if the goods are in stock. or it is 30-45days if the goods are not in stock, it is according to quantity.
Q:Do you provide samples? is it free or extra?
A:
payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.
Q:Do you support factory inspection?
A:
yes,welcome at any time.
Send Inquiry
*To:
Hebei Jinmai Casting Co., Ltd.
Hebei Jinmai Casting Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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