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High Strength FRP Manhole Step for Sewer and Drainage System. High Bearing Capacity: Supports over 400kg load without structural damage or loosening. Durable Composite Material: Features 12mm steel core wrapped in PP plastic for strength. Easy Installation: Smash directly into wall without screws or complex tools. Customizable Colors: Available in red, yellow, blue, green, black, and custom options. Strict Quality Standards: Manufactured to EN 13101 and EN 124 standards with pressure testing. Free Design Service: Complimentary design support for new project development. Third-Party Testing: Supports SGS, TUV, and BV testing upon customer request. Fast Delivery: Standard delivery time is 10 days under normal circumstances.