According to the characteristics of closed space, large muck transportation volume and high water content of muck in tunnel engineering shield construction, Bairuifu provides anti-sticking, easy-to-clean, large-transportation and long-life product solutions for tunnel industry from the performance structure of partition impact resistance, lateral rigid baseband and high-performance skirt, which helps to improve the quality, reduce cost and increase efficiency of tunnel engineering construction at home and abroad.

BRF has a high market share in tunnel market due to its excellent performance quality and innovative product system.It is widely used in Beijing subway, Shenzhen subway, Qingdao subway, Japanese subway, Russian subway and other engineering projects, among which Shenzhen municipal construction projects account for more than 60%.