Marunaka Co., Ltd showcased their pipe-in-pipe technology at the Architectural Restoration Expo 2023. The method creates a new resin drainage pipe inside the existing one, allowing rehabilitation work in housing complexes and condominiums to be completed in just three days. The construction method requires a short amount of time and generates minimal industrial waste. Due to high demand, reservations for the technology are reportedly booking up to two years in advance.Generated by OpenAI
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