Recently, the two-wing barrel-type mechanical underreaming drill bit produced by Beijing Jiayou Xincheng Industry & Trade Co., Ltd. was successfully operated at the construction site of the Shenzhen Rail Transit Line 14 project. As the construction contractor, China Railway No.5 Engineering Group Co., Ltd. has very strict requirements for equipment performance, reliability, and safety. The two-wing barrel-type mechanical underreaming drill bit passed layer-by-layer inspections and obtained site entry qualification.


　　The two-wing barrel-type mechanical underreaming drill bit is a premium 4.0 piling equipment product created by Beijing Jiayou Xincheng Industry & Trade Co., Ltd. by integrating years of experience in the R&D and manufacturing of piling equipment with advanced international technologies. The product features six major characteristics: more powerful, more intelligent, more reliable, more stable, more convenient, and more efficient.