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Product profile
Customization
AvailableApplication
Motor, Transformer, Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish, Switch Baseplate, Oil Immersed Transformers InsulationColor
BrownModel NO.
Transformer Insulation Diamond Dotted PaperMaterial
Insulation Paper and Resin, Wood PulpMaximum Voltage
>100KVThermal Rating
A 105Thickness
0.08, 0.13, 0.18, 0.20, 0.25mm, 0.38mm, 0.5mm, etcProduct Name
Diamond Dotted DDP Electrical Insulating PaperRelated Product
Pressboard, Craft Paper, DMD. Nmn and So onUsage
Electrical Insulation for TransformerModel Number
DDP, Cable Paper, Kraft Coated with HeatTemp.Class
a ClassRated Voltage
6~24kv/LayerWidth
20-1900mm or CustomizedAsh Content
≤0.7% as BelowOEM
AvailableChemistry
Inorganic InsulationClassification
Inorganic Insulation MaterialCertification
ISO9001Type
Insulation Paper, Insulation Paper DDP Diamond DOTBrand
XinchengTransport Package
PalletSpecification
ROLLTrademark
XINCHENGOrigin
ChinaHS Code
4811490000Production Capacity
5000t/YearKey features
Diamond Dotted Epoxy Resin: Epoxy resin dotted in 9.5mm x 9.5mm pattern on both sides for superior insulation.
High Dielectric Strength: Excellent electrical properties with dielectric breakdown up to 23.5 KV/layer in oil test.
Customizable Dimensions: Width 20-1900mm and multiple thickness options (0.08-0.5mm) available for customization.
OEM/ODM Service: Professional OEM/ODM support with strict QC inspection reports before shipment.
Fast Sample Delivery: Stock samples delivered within 5 days; sample fees refundable upon order placement.
ISO9001 Certified: Manufactured under ISO9001 standards ensuring high purity and mechanical strength.
Oil Immersed Application: Specifically designed for turn-to-turn and layer insulation in oil-immersed transformers.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: TianjinAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CIF
AI-Powered supplier vetting
SummaryXIN CHENG INDUSTRY MATERIAL CO., LTD. is identified as a China-based manufacturer/factory in Tianjin, although another record describes the company as a trading company, creating an entity-classification inconsistency. It offers electrical insulation and FRP-related products, reports ISO 9000 certification, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Reported enameled aluminum wire capacity is 5,000 tons annually, with export activity since 2012 and markets across Eastern Europe, North America, Southeast Asia, and Africa. The supplier states that it emphasizes quality and after-sales service, but the provided information does not independently verify service performance, customization capability, or customer cases. Financial credibility cannot be fully assessed from the available non-financial records.
CertificationsThe supplier reports holding ISO 9000 certification. This is explicit evidence of a stated management-system certification, although no certificate scope, issuing body, or validity details are provided.
After-Sales capabilityThe company explicitly describes after-sales service, quality, reputation, and customer satisfaction as important priorities, and states that it aims to satisfy clients who remain with the company. These statements support a claimed service orientation, but do not document service processes or verified outcomes.
R&D capabilityThe supplier states that it values future innovation and reports 6–10 years of total R&D-engineer experience. This supports the existence of some R&D capability, but no specific innovations, patents, development projects, or technical achievements are provided.
Production capacityThe supplier reports annual enameled aluminum wire productivity of 5,000 tons, more than 10 production lines, 6–10 quality-control staff, and lead times of within 15 working days off-peak and one month during peak season. These figures provide explicit evidence of established production capacity and operational support.
Product Q&A
Q:How about certificate?
A:
professional certificate, if you want to do certification, pls feel free to tell us, we will consider to make it as fact.
Q:What about the samples delivery?
A:
As our company rules, we usually provide sample before you decide to place an order. Stock sample will be delivered within 5 days. Proofing will depend on the actual situation,
Q:What about the samples fee?
A:
some samples are free, you just need to pay for the freight fee; we will charge some fee if proof produced. Later if an order placed, the sample fee is refundable.
Q:What is the delivery time?
A:
10 days after payment
Send Inquiry
*To:
XIN CHENG INDUSTRY MATERIAL CO., LTD.
XIN CHENG INDUSTRY MATERIAL CO., LTD.*Content:
Supplier replies will be sent to your registered email
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