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Porcelain Insulator for Electric Locomotive Post Insulator. High Mechanical Strength: Rated tensile strength of 70kN with 160kN bearing capacity for reliable performance. OEM and Customization: Supports OEM production, full customization, and minor customization from designs. ISO9001 Certified Quality: Manufactured under ISO9001-2008 quality system with 100% finished product inspection. High Voltage Application: Designed for high-voltage, high-temperature environments in power transmission systems. Experienced Manufacturer: 66-year history with 335 employees and 5 production lines ensuring stable supply.