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Corona Rings Aluminum Grading Rings End Fitting Accessories for Insulator
Negotiable
10 Pieces
Product profile
Customization
AvailableTechnics
Die CastingUsage
Line FittingsModel NO.
Half tube/Hollow ring/Bird-proof typeType
Protection FittingsMaterial
Die-Casting Aluminum/Hot DIP GalvanizedTransport Package
Wooden CaseSpecification
By voltage gradeTrademark
MPCOrigin
Guangzhou, ChinaHS Code
85479090Production Capacity
500000piece/YearKey features
Current-Leading Structure: Directly leads current to terminal during flashover to protect seal and crimping parts from thermal damage.
Diverse Material Options: Available in die-cast aluminum, aluminum tube, stainless steel tube, or hot dip galvanized steel.
Multiple Structural Types: Includes half tube, hollow ring, bird-proof, closed corona ring, and semi-ring designs.
Comprehensive Customization: Offers full, minor, and flexible customization based on samples or designs.
OEM and ODM Services: Full OEM and ODM services available with 9 dedicated R&D engineers.
100% Quality Inspection: All finished products undergo functional and visual inspection by 28 QA/QC inspectors.
Fast Lead Time: Consistent one-month lead time for both peak and off-peak seasons.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryGuangzhou MPC Power International Co., Ltd. is a China-based limited company established in 2003, with 366 employees and operations in Guangdong. It manufactures composite and railway insulators, silicone rubber, ECR rods, and end fittings. The supplier reports more than 10 production lines, annual composite-insulator output of 1,500,000 pieces, ISO9001:2015 and ISO14001:2015 certification, 9 years of total R&D-engineer experience, and 11–20 quality-control staff. Its railway-insulator portfolio includes 54 standard products under TB/T 3199.2 and non-standard products made to customer requirements. Product certifications from the China Electricity Council and joint Guangdong authorities are reported. Overseas service, outsourcing, contracts, inventory, R&D documentation, ODM/OEM, traceability, and sustainability capabilities are largely marked unknown. A BV audit is recorded, but the audit result is listed as 0 and the report validity ended on 2025-05-14.
Supplier typeThe supplier is a Chinese limited company established in 2003, with 366 employees. Its stated products include composite insulators, silicone rubber, ECR rods, and end fittings, indicating a manufacturing-oriented electrical-insulator supplier.
CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, plus other certifications. It also states that electric composite insulators passed China Electricity Council certification and railway insulators passed joint certification by Guangdong authorities. However, the available BV/SGS audit record expired on 2025-05-14, and its evaluation result is recorded as 0.
Production capacityProduction capacity is supported by more than 10 production lines, reported composite-insulator output of 1,500,000 pieces, and manufacture of 54 standard railway-insulator products plus customer-requested non-standard products. These details provide explicit evidence of substantial product and manufacturing capability.
Customization capabilityThe supplier explicitly states that it provides non-standard railway-insulator products according to customer requirements. However, specific capabilities for private molds, ODM/OEM services, outsourced capacity procedures, and related documentation remain unknown.
Product Q&A
Q:What materials are available for these corona rings?
A:
We offer die-cast aluminum, aluminum tube, stainless steel tube, and hot dip galvanized steel options.
Q:Can I customize the product based on my design?
A:
Yes, we provide full customization, minor customization, and flexible options based on samples or designs.
Q:What is the lead time for production?
A:
The average lead time is one month, regardless of whether it is the peak or off-peak season.
Q:How do you ensure product quality?
A:
We perform 100% functional and visual inspection on all finished products by a team of 28 inspectors.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Send Inquiry
*To:
Guangzhou MPC Power International Co., Ltd.
Guangzhou MPC Power International Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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