The Minimum Order Quantity (MOQ) ranges from 10 to 1000 PCS.

What is the lead time for production?

The lead time is within 20 days after receiving the last confirmation info. Peak season lead time is one month, and off-season is within 15 workdays.

Are free samples available?

Yes, free samples are available for customers to check quality before placing an order.

40t Black Coal Mining Chain Carbon Steel Conveyor Chain Connecting Ring

Name: 40t Black Coal Mining Chain Carbon Steel Conveyor Chain Connecting Ring
Brand: Weifang Shengao Machinery Co., Ltd.
SKU: 761403222

Shandong, ChinaWeifang Shengao Machinery Co., Ltd.

US$1.99-3.59

100 Pieces

Sample price:US$3.99/piece.Request sample

Product profile

Customization

Available

After-sales Service

Warranty

Model NO.

SA-631320

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Standard

AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN

Surface Treatment

Sand Blast

Manufacturing Process

Forging

Material

Carbon Steel

Item

Ring

Molding Style

Forging

Application

Machinery Parts

Heat Treatment

Quenching

Forging Tolerance

+/-0.1mm

Dimensions

as Your Requirement

Quality Control

100% Inspected

Advantages

Within 20 Days After Receiving Last Confirm Info

Unique

China Gold Supplier

Type

Metal Forging Part

Standard or Nonstandard

Nonstandard

OEM Service

Yes

Logo Printing

Customized

MOQ

10-1000PCS

Free Sample

Yes

Transport Package

Iron Box, Plywood Box

Specification

As your requirement

Trademark

Shengao

Origin

Weifang City, Shandong Province, China

HS Code

87089910

Production Capacity

50000PCS/Year

Key features

High Strength Carbon Steel: Forged from carbon steel with 100% inspection for mining durability.

Custom Dimensions: Dimensions available as per customer requirements and drawings.

OEM Service Available: Supports OEM manufacturing with customized logo printing.

CE & ISO Certified: Meets CE, RoHS, ISO 9001:2000, and ISO 9001:2008 standards.

Versatile Installation: Suitable for horizontal and vertical installation in coal mines.

Fast Delivery: Advantageous lead time within 20 days after final confirmation.

Free Samples: Free samples available for quality verification before order.

High Breaking Load: Test loads up to 780KN and breaking loads up to 1020KN.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Weifang Shengao Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.49h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.

After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.

Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.