The tunnel bolt production line in Anyang Railway Equipment Co., Ltd(AT) is composed of all-solid-state IGBT heating equipment to heat the workpiece and automatic special thread rolling machine, the maximum output is 15,000 Pcs/day.
Application: Segment connection Concrete tube connection Tunnel Reinforce fastening. Metro Tunnel Segment Connection. Sewage Water Tunnel segment
In 2020, Anyang Railway Equipment Co., Ltd. provided M27 segment connection bolts, and cave door connection bolts to Xi’an Metro Line 2
In 2018, Anyang Railway Equipment Co., Ltd. provided M27 segment tunnel bolts, grade 8.8 hot-dip galvanizing to Xi’an Metro Line 6
In 2014, Anyang Railway Equipment Co., Ltd(AT) provided M30 Tunnel Segment Bolts for Tianjin Rail Transit Line 6.