In mid-March 2016, the 2400mm rock pipe jacking machine with fully proprietary intellectual property rights in China developed by Anhui Tangxing Machinery Equipment Co., Ltd. was successfully manufactured in Huainan, Anhui. Its production has filled the large gap of independently developed rock pipe jacking machine in Anhui Province, it was currently one of the largest rock pipe jacking machines in China. It marks that China has made a new breakthrough in the key technology research and engineering application of large-diameter rock tunneling equipment.
Technicians was doing the final overhaul work.
The technicians were testing the machine, every index worked normally.