What payment terms do you accept?

We accept T/T (Telegraphic Transfer) as the term of payment.

Which standards do your steel products meet?

Our products meet AISI, ASME, ANSI, ASTM, and DIN standards.

What is your main manufacturing process?

The primary manufacturing process used is forging.

Manufacturer Customized High-Quality Steel for Mining and Tunneling Expansion Shell

Name: Manufacturer Customized High-Quality Steel for Mining and Tunneling Expansion Shell
Brand: Ningbo Rotie Metal Parts Co., Ltd.
SKU: 2004833745

Zhejiang, ChinaNingbo Rotie Metal Parts Co., Ltd.

US$2.00-10.00

500 Pieces

Product profile

Customization

Available

After-sales Service

Support

Warranty

Three Months

Model NO.

BR005

Certification

ISO 9001:2008

Standard

AISI, ASME, ANSI, ASTM, DIN

Surface Treatment

Galvanized

Manufacturing Process

Forging

Material

Carbon Steel

Transport Package

Standard Plywood Cases

Specification

110x45xM24

Trademark

Origin

China

HS Code

84749000

Production Capacity

1000000pieces/Year

Key features

Customized Manufacturing: Offers full customization, minor customization, and flexible options from samples or designs.

ISO 9001:2008 Certified: Product quality and manufacturing processes meet international ISO 9001:2008 standards.

Extensive Experience: Over 10 years of specialized experience in mining and tunneling products with skilled technicians.

Diverse Product Range: Includes expansion shells, domed plates, wedges, nuts, and various rock bolts for mining.

Advanced Equipment: Equipped with 80 CNC machines, vertical machining centers, and high precision grinding machines.

Global Export History: Successfully exporting to USA, Brazil, Middle East, and Germany for over 10 years.

On-Schedule Delivery: Five workshops ensure consistent delivery on schedule for all orders.

Competitive Pricing: Offers high quality at the lowest possible price with cost-saving manufacturing.

Company profile

ODM ServicesOEM ServicesImporters and ExportersHigh Repeat Buyers Choice

Ningbo Rotie Metal Parts Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤3.58h

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company that provides OEM and ODM services and has approximately ten years of export experience, with exports representing 71%–90% of total sales. It supports broad customization, including samples, designs, full customization, and minor customization. Quality-related evidence includes ISO9001 and SGS certification, as well as multiple inspection and testing devices, although quality assurance and traceability statuses are unknown and no quantity of quality-control test equipment is recorded in the relevant field. Innovation evidence is weak: one R&D engineer is reported, no new products were launched during the past year, and no SDK is available. After-sales and overseas service infrastructure is limited, with no overseas agents, branches, warehouse, showroom, or stated overseas service countries. Financial information is insufficient for assessment.

CertificationsThe company description explicitly states that Ningbo Rotie holds ISO9001 quality system certification and SGS certification. These certifications are direct positive evidence of formal quality-system and third-party certification coverage.

After-Sales capabilityThe supplier reports procedures for corrective and preventive actions and customer complaint handling, but no written records are maintained. It has no overseas agents or branches, overseas warehouse, overseas showroom, or stated overseas service countries, which limits demonstrated after-sales infrastructure.

R&D capabilityInnovation evidence is limited: the supplier reports one R&D engineer, no new products launched during the past year, no available SDK, and no product information from R&D capability. Although ODM services are available, the explicit recent product-development record indicates weak demonstrated innovation performance.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, giving clear evidence of broad customization support.