What certifications does the product have?

The product is certified with ISO9001, RoHS, and VDE standards.

What are the lead times for production?

Peak season lead time is 3-6 months, while off-season lead time is 1-3 months.

30 Class B Copper Litz Wire

Name: Stranded Wire AWG 20/22/24/26/28/30 Class B Copper Litz Wire
Brand: Henan Windoo Industry Co., Ltd.
SKU: 2065867792

Henan, ChinaHenan Windoo Industry Co., Ltd.

US$17.99-37.99

300 kg

Sample price:US$25.00/meter.Request sample

Product profile

Customization

Available

Insulation Level

H, F, B, E

Certification

ISO9001, RoHS, VDE

Model NO.

litz-silk

Application

Transformer, Instrument, Electrical Equipment, Motor

Shape

Twisted Wire

Conductor Material

Copper Wire

Used for

High Frequency Transformer/Coil

Color

Natural

Layer

Double

Insulation

Uew/Pew/Eiw/Aiw

Twisting Distance

3-100mm

Transport Package

Pallet

Specification

0.15~10mm

Trademark

windoo

Origin

China

HS Code

85441100

Production Capacity

2500t/Year

Key features

High Frequency Performance: Designed for 10 kHz to 5 MHz with reduced eddy current losses in magnetic energy storage coils.

Superior Surface Area: Surface area is 200%-3400% larger than enameled single wire for the same cross-sectional area.

Flexible Construction: Twisted wire structure offers superior softness compared to other single wire types.

Customizable Colors: Standard colors include Natural, Red, Green, and Black, with others available upon request.

Wide Conductor Options: Conductors available in Copper, Aluminium, or Copper-clad aluminium with diameters 0.03-1.00mm.

Versatile Insulation Types: Supports UEW, PEW, EIW, and AIW enamel types with thickness options 0-3.

Customizable Twisting: Twisting distance adjustable from 3-100mm with Single or Multiple twist methods.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceManagement CertificationStandardized Supplier Management

Henan Windoo Industry Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-12-02Nearest Port: Qingdao, Shanghai, TianjinAverage Response Time: ≤2.23hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryHenan Windoo Industry Co., Ltd. is identified as both a trading company and manufacturer/factory in China, supplying winding wires and related winding equipment. The supplier reports more than 10 production lines, annual output information indicating 100,000 tons of wire and substantial winding-machine capacity, and 6–10 quality-control staff. It lists multiple management-system certifications and 11–20 years of combined R&D-engineer experience. Export activity is reported across more than 50 countries, with named markets and one associated buyer in the provided trade record. However, the available evidence does not establish after-sales service capability, customization/OEM/ODM capacity, or current innovation performance. The SGS audit record is dated from May 31, 2024 to May 30, 2025, so it does not by itself confirm current certification or audit validity.

Supplier typeThe supplier is explicitly identified as both a Trading Company and Manufacturer/Factory, and its business scope covers industrial equipment, manufacturing machinery, and electrical/electronic products. This indicates a combined manufacturing and trading operating model.

CertificationsThe supplier lists OHSAS/OHSMS 18001, ISO 9000, ISO 14001, ISO 9001, ISO 14000, QSR, and QC 080000 certifications. An SGS audit record exists for the period May 31, 2024 to May 30, 2025, but the provided information does not confirm that these certifications or the audit remain current.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, output information of 100,000 tons for specified wire products, and capacity for winding machines. Its stated product range includes multiple types of winding wire and winding equipment, indicating substantial manufacturing scope.

Client casesThe supplier reports exporting enameled wires to more than 50 countries and names markets including the United States, Canada, Turkey, Vietnam, Indonesia, South Africa, Italy, Brazil, and others. A provided trade record also associates the company with R C ENERGY METERING PRIVATE LIMITED, although the evidence does not document project outcomes or customer satisfaction.

Product Q&A

Q:What is the operating frequency range for this Litz wire?

The high frequency Litz Wire is typically used for applications with operating frequencies between 10 kHz and 5 MHz.

Q:Can the wire color be customized?

Yes, standard colors include Natural, Red, Green, and Black, and other colors are available as per customization.

Q:What materials are used for the conductor?

The conductor material can be Copper, Aluminium, or Copper-clad aluminium with diameters ranging from 0.03mm to 1.00mm.

Q:What are the benefits of using Litz wire over single wire?

Compared to enameled single wire, Litz wire offers a surface area 200%-3400% larger and is softer, making it ideal for high frequency and small space applications.

Q:What twisting methods are supported?

We support Single twist and Multiple twist methods, with twisting distances adjustable between 3mm and 100mm.