Bolts for Tunnel Construction

Name: Bolts for Tunnel Construction
Brand: Maanshan Kingrail Technology Co., Ltd.
SKU: 2050579112

Anhui, ChinaMaanshan Kingrail Technology Co., Ltd.

US$0.01-0.30

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

316 Stainless Steel Hex Head Bolt

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Color

Black Blue Red Green

Certification

ISO9001:2008

Service

Manufacturing, Designing, OEM

Surface Treatment

Phosphorization & Black Mounting Boltsurface Treat

Hardness

HRC36-42

Process

Cold Heading/Hot Forging

Thread

M, Unc, Unf

Transport Package

Wooden Box/Pallet

Specification

4.8/6.8/8.8/10.9/12.9

Trademark

Ruika

Origin

China

HS Code

7318190000

Production Capacity

5000000PCS/Year

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Maanshan Kingrail Technology Co., Ltd.

Anhui, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with business activities covering metal-product research and development, technical services, key systems and components, railway rolling stock parts, and related equipment sales. It reports ISO 9000 and ISO 9001 certification, OEM service for well-known brands, ODM capability, and broad customization options. Reported production capacity includes wheels, track materials, and metal products, while quality-control and traceability evidence is incomplete. The supplier has one R&D engineer, no new products reported in the past year, no available SDK, and no R&D audit documentation. After-sales service is included in the R&D engineer’s responsibilities, but documented complaint-handling and corrective-action records are absent. No monetary or financial figures are included in this assessment; the available records only identify financial information for three historical years. Overseas service infrastructure is limited, with no overseas agents, branches,...

Supplier typeThe supplier is explicitly classified as a trading company. Its stated activities include metal-product R&D and technical services, as well as sales of key systems, railway rolling stock parts, and related equipment.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. However, quality assurance status is unspecified, and approved-supplier, corrective-action, and complaint-handling records are incomplete or undocumented.

Production capacityReported annual capacity includes 20,000 wheels, 10,000 tons of track materials, and 800 tons of metal products, supported by 11–20 quality-control staff and ISO certifications. However, the supplier states it has no in-stock service capacity, while raw-material traceability and outsourcing controls remain unknown.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, and also provides ODM services. These statements directly support broad customization capability.