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Assembled Twisted Nail Roofing Screw with Washers Size 4.98725mm

Name: Assembled Twisted Nail Roofing Screw with Washers Size 4.9*87*25mm
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 702632821

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

Assembled Twisted Nail Roofing Screw with Washers Size 4.9*87*25mm

US$10.00-30.00

500 Boxes

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Standard

SGS

Type

Roofing Nail

Model NO.

4.9*87*25mm

Material

Steel

Shank

Screw Shank

Washer

EVA Compound Washer

Length

87mm

Shank Dia

4.9mm

Head Dia

25mm

Surface

Galvanized

Transport Package

100set/Bag 10bags/Carton

Specification

4.9*87*25mm

Trademark

M&z

Origin

China

HS Code

73170000

Production Capacity

1000t/Ton

Key features

Competitive Factory Price: Direct factory pricing ensures high competitiveness in the global market.

High-Quality Materials: Constructed with standard good materials and galvanized surface for durability.

OEM and ODM Services: Full customization available from both designs and physical samples.

EVA Compound Washer: Features an EVA compound washer for enhanced sealing and performance.

Twisted Nail Design: Assembled twisted nail structure provides superior holding power for roofing.

SGS Standard Compliance: Manufactured and tested according to recognized SGS standards.

Traceable Raw Materials: Complete traceability system ensures quality control from raw material to finished product.

Professional QA/QC: Inspected by 3 dedicated inspectors using random visual inspection methods.

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: ≤3.89h

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.