What is the lead time for production?

The average lead time is one month for both peak season and off-season periods.

Where is the factory located?

Our factory, PINGDU MINGZONG HARDWARE FACTORY, is located in Qingdao, Shandong, China, and ships from Qingdao Port.

What are the main applications for these nails?

They are primarily used for wooden boat building, historic renovation, hardwood flooring, and vintage reproductions due to their strong holding power.

Galvanized Boat Nails Square Nails

Name: Factory Outlet 3"/4" Copper/ Galvanized Boat Nails Square Nails
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2030247912

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$400.00-600.00

5 Tons

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Point

Diamond

Shank

Smooth, Square

Model NO.

O SQ NA

Length

1''-6''

Finish

Galvanized/Hot Dipped/Red Copper

Transport Package

Bulk Packaging, Color Box + Carton + Pallet

Specification

SGS

Trademark

Origin

China

HS Code

7317000000

Production Capacity

1000ton/Month

Key features

Superior Holding Power: Square shank with tapered section increases connecting area for excellent holding force without splitting material.

Versatile Material Options: Available in Q195/Q235/1045/S45C/A36/SS400 steel or copper, ensuring durability for various environments.

Multiple Finish Choices: Offers Electro-plating, Galvanized, Hot Dipped, and Copper finishes to suit different corrosion resistance needs.

Wide Size Range: Lengths from 1'' to 6'' and gauges from BWG14 to BWG5 available to fit diverse construction requirements.

OEM/ODM Customization: Supports customization from designs and samples, allowing tailored point, shank, and length specifications.

Factory Direct Quality: Manufactured by PINGDU MINGZONG HARDWARE FACTORY with SGS audit, ensuring high quality and competitive pricing.

Ideal for Boat Building: Specifically designed for wooden boat building, historic renovation, and hardwood flooring applications.

Professional Testing: Equipped with professional testing department and equipment to guarantee product consistency and reliability.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.71h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.

Product Q&A

Q:What materials are used for these square boat nails?

The nails are made from high-quality steel grades including Q195, Q235, 1045, S45C, A36, and SS400, as well as copper options.

Q:What surface finishes are available?

We offer Electro-plating, Galvanized, Hot Dipped Galvanized, and Copper Coated finishes to prevent corrosion and enhance durability.

Q:Can I customize the size and specifications?

Yes, we support OEM and ODM services. Customization is available for point shape, shank type, length (1''-6''), and finish based on your designs or samples.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 ton.

Q:What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.