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We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payment.

What is the lead time for production?

The average lead time is within 15 working days for both peak and off-peak seasons.

Heavy Load Bearing Tunnel Bolt with Long-Lasting HDG Finish

Name: Heavy Load Bearing Tunnel Bolt with Long-Lasting HDG Finish
Brand: Liaocheng Jinyuyuan Metal Products Co., Ltd.
SKU: 2132985322

Shandong, ChinaLiaocheng Jinyuyuan Metal Products Co., Ltd.

US$0.50-5.00

1,000 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Type

Hexagon Head

Model NO.

bolt

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Ordinary

Color

Silver

Quality Control

100% Quality Inspection

OEM Service

Available

Process

Cold Forging, Hot Forging, Machining

Transport Package

Woven Bags/Wooden Boxes or as Required

Specification

customizable

Trademark

Jinyuyuan

Origin

China

Key features

HDG Anti-Corrosion Finish: Hot-dip galvanizing treatment ensures excellent anti-corrosion performance and mechanical strength.

Curved Design for Tunnels: Arc-shaped design specifically suitable for curved structures like tunnel segments and subway construction.

High Grade 10.9 Strength: Manufactured with Grade 10.9 steel to effectively transmit shear and tension forces for stable splicing.

100% Quality Inspection: Strict control over every production process with 100% testing before shipment to ensure quality.

Fast Delivery Time: Standard delivery within 3-15 working days depending on order quantity.

OEM and ODM Services: Flexible customization options available including full customization and minor customization.

Complete Fastening Solution: Equipped with matching nuts and washers for easy installation and reliable structural connections.

Multiple Material Options: Available in Carbon Steel, Alloy Steel, and Stainless Steel to meet diverse engineering needs.

Company profile

High Repeat Buyers ChoiceQuality Assurance

Liaocheng Jinyuyuan Metal Products 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, etc. CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.14h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier presents documented quality and management certifications, including CE, ISO9001:2015, ISO45001:2018, and ISO14001. It reports broad customization and ODM/OEM capabilities, recent new-product activity, three R&D engineers, and equipment for pipe cutting, pressing, and punching. Service processes for approved suppliers, corrective actions, complaints, and finished-product inspection are documented and followed. However, overseas service coverage is limited: there are no overseas agents, branches, warehouses, showrooms, or reported overseas-service countries, and the supplier has not participated in offline trade shows. Manufacturing capacity also lacks a valid contract with related subcontractors. Financial assessment is inconclusive because the provided data is sparse and includes a current ratio stated as zero, without sufficient context to establish overall financial credibility.

Supplier typeThe supplier operates a production and sales system that includes a grouting sleeve factory, a flattened bundle mouth sleeve factory, and an auxiliary-material product warehouse. Its registered and factory addresses are in Liaocheng, Shandong, while an office is also listed at a local innovation and entrepreneurship base, indicating a manufacturer with supporting sales and warehousing operations.

CertificationsThe supplier reports CE product certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These are explicit certifications relevant to product compliance, quality, occupational safety, and environmental management.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and describes professional customer-service capabilities. However, it has no overseas agents or branches, overseas warehouse, overseas showroom, or reported overseas-service countries, limiting its demonstrated international service reach.

R&D capabilityThe supplier reports new-product activity during the past year, has three R&D engineers, provides ODM services, and offers multiple design-based customization modes. It does not have an available SDK, but that limitation does not by itself negate its stated product-development capability.

Production capacityProduction-related evidence includes pipe cutting, pressing, and punching machines, instructions that are uniformly followed for finished-product inspection, in-stock capability, and a stated quality assurance capability. A material weakness is that the factory and related subcontractor do not have a valid manufacturing-capacity contract, creating a documented capacity-governance gap.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM and OEM services, including OEM service for well-known brands, providing strong direct evidence of broad customization capability.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a factory and sell directly at a discounted price.

Q:How long will it take to receive the goods?

Usually it takes 3-7 days, depending on the quantity.

Q:How to ensure product quality?

We strictly control every production process and ensure that products undergo 100% testing before shipment. Samples can also be shipped, but you will need to bear the cost.

Q:What after-sales services are available after purchase?

Provide online technical guidance, including installation process consultation. Welcome to call anytime, looking forward to working with you!

Q:What is the minimum order quantity?

The minimum order quantity is 50 pieces.