How is the quality controlled?

We perform 100% open & short tests, with insulation resistance of 10M min and contact resistance of 2 ohm max.

RS232 dB9 9-Pin Female to Female Extension Printer Serial Data Cable Adapter

Name: RS232 dB9 9-Pin Female to Female Extension Printer Serial Data Cable Adapter
Brand: Shenzhen Firstone Technology Co.,Ltd
SKU: 2204697625

Guangdong, ChinaShenzhen Firstone Technology Co.,Ltd

US$9.99

100-599 Pieces

US$8.90

600-1,999 Pieces

US$6.99

2,000+ Pieces

Product profile

Customization

Available

Application

Computer, Digital Cameras, Keyboard, Mobile Phone, Mouse, MP3/MP4 Player, Network, Printer, Tablet

Color

Black

Model NO.

RS232 DB9 9-PIN Female

Interface Type

Microi-A, Microi-B, Mini-A, Mini-B, Type-A, Type-B, Type-C

Shape

Round

Sheath Material

PVC

a

USB-RS485-We-5000-Bt

B

USB to Uart Cable with RS485

C

Ftdl FT232rq USB to Serial Uart

D

USB to RS-485 Communication Adapter

E

RS485-USB Cable Converter Module

Transport Package

Ftdi Chip RS485 USB Converter Cable

Specification

usb To Rs485 Adapter

Trademark

usb To Rs485 Converter Industrial Adapter Original

Origin

Ftdi USB-RS485-We-1800-Bt

Key features

Custom Cable Specifications: Custom length, color, wire gauge, and conductor material available per request.

Wide Interface Compatibility: Supports Micro-A, Micro-B, Mini-A, Mini-B, Type-A, Type-B, and Type-C interfaces.

Durable PVC Construction: PVC sheath material with nickel-plated or gold-plated connectors for reliability.

Strict Quality Control: 100% open & short test, insulation resistance 10M min, contact resistance 2 ohm max.

Multiple Certification: Products certified with RoHS, UL, CE, and FCC standards for global compliance.

Flexible OEM/ODM Service: Full customization from samples or designs, including minor and flexible customization.

Low Minimum Order Quantity: MOQ as low as 1 piece, suitable for small batch orders and prototyping.

Company profile

High Repeat Buyers ChoiceProduct CertificationR&D CapabilitiesFull Customization

Shenzhen Firstone Technology Co.,Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-03-03Nearest Port: shenzhen port, HongKong portAverage Response Time: ≤2.80h

AI-Powered supplier vetting

SummaryThe supplier is a China-based manufacturer in Guangdong with one production line, approximately 6–10 quality-control staff, one year of R&D engineer experience, and reported output across USB cables, PoE products, and KVM products. It supports broad customization and ODM services, maintains in-stock capability, and has documented finished-product inspection instructions. Certifications and compliance evidence include ISO9001:2015, CE, RoHS, and FCC. However, it does not provide OEM services for popular brands, has no available SDK, reported no new products in the past year, lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity contract with related subcontractors. Financial records are identified by year, but no substantive financial performance values are provided. Customer cases are not explicitly disclosed.

Supplier typeThe supplier is a China-based manufacturer located in Guangdong, operating one production line and producing USB cables, PoE products, and KVM products. Its stated design and ODM capabilities indicate it serves as a manufacturer with customization support rather than only a trading intermediary.

CertificationsThe supplier reports an ISO9001:2015 certificate and product certification capabilities for CE, RoHS, and FCC. These are explicit certification and compliance indicators, although the slices do not provide certificate validity dates or issuing-body details.

R&D capabilityThe supplier supports ODM and several forms of customization, but reports only one year of total R&D engineer experience, no available SDK, and no new products during the past year. These explicit limitations weigh against a strong innovation assessment.

Production capacityThe supplier reports one production line, 6–10 quality-control staff, specified output across multiple product categories, in-stock capability, and uniformly followed finished-product inspection instructions. However, it has no valid manufacturing-capacity contract with related subcontractors, creating a stated capacity-management limitation.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with ODM services. This provides direct evidence of broad customization coverage.