Which express companies are available?

UPS, DHL, FEDEX, TNT, and EMS are all available for shipping.

What industries can this module be used in?

It is widely used in power, elevator, steel, glass, and automation industries.

Are the parts tested before shipping?

Yes, all parts are 100% tested and confirmed OK before being sent out.

Original New Siemens 6es7321-1bl00-0AA0 S7-300 Sm321 32di 24VDC Digital Input Module

Name: Original New Siemens 6es7321-1bl00-0AA0 S7-300 Sm321 32di 24VDC Digital Input Module
Brand: Hk Ouke Automation Co., Limited
SKU: 2152189132

Hongkong S.A.R., HONG KONG, CHINAHk Ouke Automation Co., Limited

US$55.00-150.00

1 Piece

Product profile

Task

Program

Structure

Modudlar Struture

Mathematical Model

Discrete Control

Model NO.

6ES7321-1BL00-0AA0

Signal

Discrete

Function

Automatic Control, Protection, Monitoring

Certification

RoHS, ISO: 9001, CE

Condition

New

Customized

Non-Customized

Material

Stainless Steel

Product Series

Simatic S7-200,S7-300

Module Type

CPU 226 Compact Module

Mounting Method

DIN Rail Mount

I/O Points

24 Di / 16 Do (Integrated)

Transport Package

Carton

Specification

6ES7321-1BL00-0AA0

Trademark

SIEMENS

Origin

Germany

HS Code

8537109090

Production Capacity

500/Year

Key features

100% Original Quality: 100% original new Siemens module, fully tested before shipment.

Wide Application Scope: Suitable for power, elevator, steel, glass, and automation industries.

Fast Delivery Time: Most parts in stock with delivery time usually 1-2 days.

Secure Packaging: Foam paper and carton packing; wooden boxes for heavy items.

Multiple Payment Options: Accepts LC, T/T, PayPal, Western Union, Alipay, and more.

Global Shipping Available: Supports UPS, DHL, FEDEX, TNT, and EMS express delivery.

Comprehensive Warranty: 1 year warranty for new items, 3 months for used items.

RoHS and CE Certified: Meets RoHS, ISO 9001, and CE certification standards.

Company profile

Hk Ouke Automation Co., LimitedHongkong S.A.R., HONG KONG, CHINA

CertifiedBusiness Type: Trading CompanyExport Year: 2017-08-01Nearest Port: Shenzhen, Guangzhou, HongkongAverage Response Time: ≤2.69hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier information presents two apparently different entities: HK Ouke Automation Co., Limited, identified as a Hong Kong trading company established in 2025 with no manufacturing plant area stated, and China Dongguan Yuheng CNC Technology Co., Ltd., identified as a Dongguan-based company offering CNC and industrial automation services. HK Ouke reports a broad automation-component portfolio, compatibility with more than 20 brands, exports representing 51%–70% of sales, and claimed customers in over 50 countries. Yuheng emphasizes pre-sales and after-sales service and lists comparable automation products. Evidence supports trading and distribution capability, international reach, and stated service offerings, but does not establish certifications, manufacturing strength, customization capability, or robust financial credibility. The customer evidence is limited to a claim of over 1,000 businesses and one recorded trade transaction with one named buyer.

Supplier typeHK Ouke Automation Co., Limited is explicitly identified as a trading company, while Yuheng is presented as a CNC technology and industrial automation supplier. The available information supports a trading/distribution-oriented supplier profile rather than a clearly verified manufacturer profile.

After-Sales capabilityYuheng explicitly states that it provides exceptional pre-sales and after-sales service, and the company description claims over 15 years of industry expertise in CNC parts distribution, system repair, and technical services. These statements support an after-sales and repair-service capability, although they are not independently substantiated.

Production capacityHK Ouke is explicitly classified as a trading company and its manufacturing plant area is stated as 0.0. The data therefore do not support in-house manufacturing capability, while Yuheng's supplier profile does not provide verified production capacity.

Client casesHK Ouke claims to serve over 1,000 businesses in more than 50 countries and identifies one buyer in the trade records. However, the available evidence provides no detailed project descriptions, repeat-order history, or independently verifiable case studies.