What is the minimum order quantity?

The minimum order quantity is 50 pieces.

What payment methods do you accept?

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

Heavy-Duty Self-Locking Sleeve Engineering Fastener

Name: Heavy-Duty Self-Locking Sleeve Engineering Fastener
Brand: Liaocheng Jinyuyuan Metal Products Co., Ltd.
SKU: 2150832042

Shandong, ChinaLiaocheng Jinyuyuan Metal Products Co., Ltd.

US$3.50-13.50

1,000 Pieces

Product profile

Customization

Available

After-sales Service

12 Months

Head Code

Round

Model NO.

Rebar Coupler

Thread Distribution

Internal Thread

Surface

Polish

Material

Stainless Steel

Technics

Casting

Application

Concrete Construction,Railway Tunnels

Customized

Certification

CQC, CCC, PSE, TUV, VDE

Warranty

1 Year

Size

12mm-40mm

Color

Black

Service

Online Service

Quality

100% Tested Before Shipment

Transport Package

According to Customer Requirements

Specification

12mm-40mm

Trademark

Jinyuyuan

Origin

China

Key features

One-Touch Installation: Enables fast and convenient splicing of steel bars without tedious threading or welding.

No Specialized Tools Required: Simple touch operation allows steel bar connections to be completed easily.

100% Pre-Shipment Testing: Every product undergoes strict quality control and 100% testing before shipment.

Stainless Steel Material: Constructed from high-quality stainless steel for durability and reliability.

1-Year Warranty Coverage: Comprehensive 1-year warranty provided for mechanical defects and performance.

Online Technical Support: Free online guidance available for installation process consultation anytime.

Multi-Color Customization: Customized color options available, including Black, to meet specific needs.

Wide Size Range: Available in sizes from 12mm to 40mm to fit various construction requirements.

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: ≤3.21h 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 warranty period?

We provide a 1-year warranty for our products.