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3721/3723/3725 Bakelite Phenolic Cotton Cloth Laminated Rod
US$2.20-8.50
1,000 kg
Sample price:US$50.00/piece.Request sample
Product profile
Application
Insulators, Electrical Winding Insulation, Electrical Base, Shell, Motor, Switch BaseplateColor
BrownDiameter
8-200mm, OthersModel NO.
3721/3723/3725Material
Phenolic Resin/Cotton ClothMaximum Voltage
10KV~20KVThermal Rating
E 120Type
Insulation RodDensity
1.40-1.70 g/cm3Cotton Cloth Tex
7, 10Market
Euro, Asia, Central and South AmericaChemistry
Inorganic InsulationClassification
Inorganic Insulation MaterialCertification
ISO9001Brand
HjhTransport Package
PalletSpecification
1000mm, 1050mmTrademark
HJHOrigin
ChinaHS Code
3916909000Production Capacity
100ton/MonthKey features
High Mechanical Strength: Superior flexural and tensile strength for durable structural applications.
Excellent Dielectric Strength: High breakdown voltage up to 20KV ensuring reliable electrical insulation.
Superior Machinability: Easy to process for gears, pinions, bearings, and bushings.
Wide Diameter Range: Available in diameters from 8mm to 200mm to fit various needs.
ISO9001 Certified: Manufactured under strict quality management standards.
Low Water Absorption: Minimal water uptake ensures stability in humid environments.
High Thermal Rating: Rated E 120 for reliable performance under heat.
Global Market Supply: Serving customers in Europe, Asia, and the Americas.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-07-01Nearest Port: shekou, guangzhouAverage Response Time: ≤5.54hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, FCA, EXW
AI-Powered supplier vetting
SummaryHaikou Haojinghui Industrial Co., Ltd. is identified as a China-based limited company operating as both a trading company and manufacturer/factory, with offices in Hainan and stated factory operations in Suzhou, Jiangsu. It focuses on electrical insulating materials, including polyimide film, adhesive tape, insulation paper, pressboard, laminate sheets, FR4/G10 materials, and related products. The supplier reports ISO 9001 certification, six production lines, 6–10 years of R&D engineer experience, and fewer than five quality-control staff. It has exported since 2013, with exports representing 71%–90% of total sales. The available records show limited transaction evidence involving one buyer in Mexico during 2025. Evidence is insufficient to establish after-sales service, financial credibility, or customization capability. Production capability is supported by stated facilities and product output information, although some reported production figures appear inconsistent and should be verified.
Supplier typeThe supplier is explicitly described as both a trading company and manufacturer/factory, with a stated focus on manufacturing and exporting electrical insulating materials. Its company description also reports multiple production departments and offices in several Chinese locations.
CertificationsThe supplier explicitly reports holding ISO 9001 certification for its management systems. No additional certifications, scope, issuing body, or validity period is provided.
Production capacityProduction capability is supported by six reported production lines, stated production departments, electrical insulating-material product coverage, and annual productivity information for polyimide film, tape, and adhesive tape. However, the reported output quantities are unusually large and should be verified before relying on them for capacity planning.
Client casesThe supplier reports that exports account for 71%–90% of total sales and that it began exporting in 2013. Trade records identify one buyer in Mexico and four recorded transactions across two 2025 entries, but the evidence is limited and does not establish a broad or independently verified customer portfolio.
Product Q&A
Q:Are you a trading company or manufacturer?
A:
Both
Q:How long is your delivery time?
A:
Generally it is 3-5 days if the goods are in stock. or it is 5--15days if the goods are not in stock, it is according to quantity.
Q:Do you provide samples? is it free or extra?
A:
Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q:What is your terms of payment?
A:
Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shipment.
Send Inquiry
*To:
Haikou Haojinghui Industrial Co., Ltd.
Haikou Haojinghui Industrial Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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