What are the available finishes?

Finishes include Black, Zinc, and Hot Galvanizing.

Where are your products shipped from?

We ship from the nearest ports of Tianjin and Qingdao.

High-Strength A2 A4 Bolts for Railway and Solar Mounting

Name: High-Strength A2 A4 Bolts for Railway and Solar Mounting
Brand: DA LIAN MESCO STEEL CO., LTD.
SKU: 2107122952

Liaoning, ChinaDA LIAN MESCO STEEL CO., LTD.

US$1.60

500-999 Pieces

US$1.40

1,000+ Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB

Grade

4.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Transport Package

Pallet

Specification

M6/M8/M10/M12

Trademark

MESCO STEEL

Origin

Dalian

HS Code

73181590

Key features

High-Strength Grades: Available in grades 4.8, 8.8, 10.9, and 12.9 for diverse industrial needs.

Customized Support: OEM and ODM services available for tailored bolt specifications.

Diverse Standards: Complies with DIN, ANSI, GB, BSW, UNC, GOST, and JIS standards.

Wide Application: Suitable for machinery, chemical industry, environmental, building, mining, and solar mounting.

Durable Finish: Options include black finish, zinc plating, and hot galvanizing.

Stable Supply: Competitive pricing with stable supply chain for large-scale projects.

Fast Lead Time: Peak season delivery within 15 workdays; off-season within one month.

Global Shipping: Flexible terms including FOB, CFR, CIF, and EXW from Tianjin or Qingdao.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryR&D Capabilities

DA LIAN MESCO STEEL CO., LTD.

Liaoning, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin, QingdaoAverage Response Time: ≤2.53hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a limited company and trade company offering prepainted galvanized steel roof sheets. It reports extensive export coverage, nine years of export experience, OEM service for well-known brands, ODM service, customization from samples, minor customization, and flexible customization. Production information states 100,000 tons each for aluminized steel, ZAM steel, and galvalume steel, although the relationship between these figures and the trade-company classification is not clarified. Innovation evidence includes two R&D engineers, 50 years of total R&D engineer experience, and new products launched during the past year. Customer complaint handling has a clear procedure and records. However, raw-material traceability, quality assurance, valid manufacturing-capacity contracts, and financial substance are insufficiently evidenced. The supplier has no inventory, overseas warehouse, or showroom capability, and reports zero quality-control testing equipment and no regular fire drills...

Supplier typeThe supplier is explicitly described as a trade company and a limited company. Its stated product scope is prepainted galvanized steel roof sheet, while its business scope also includes technology exchange, transfer, and promotion.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with follow-up records, supporting a defined after-sales process. However, it has no in-stock service capability, overseas warehouse, or overseas showroom, limiting service infrastructure.

R&D capabilityThe supplier reports two R&D engineers, 50 years of total R&D engineer experience, new products launched during the past year, customization-oriented design services, and ODM availability. It lacks an available SDK, but the other evidence supports an established product-development capability.

Customization capabilityThe supplier explicitly offers customization from samples, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of multiple customization and design-service options.

Client casesThe supplier states that it provides OEM services to well-known brands and exports to markets across South America, Europe, the Middle East, North America, Asia, Oceania, and Africa. It also reports nine years of export experience and an export-sales share of 71%–90%, indicating broad commercial exposure, although no specific customer names or case details are provided.