Client： China Railway 14th Conatruction Taiyuan Concrete Product Co., Ltd. 
Date：2016/10

Φ6.2×0.35T×1.2L(6P/R )- 

Standard Ring- 13 set
Right Tapper Ring- 1 set
Left Tapper Ring- 1 set

Vibration Method：Pnuematic Vibration