合作厂商/Client:Bouygues TravauxPublics(宝嘉)签订时间Year/ Month:2020/05钢模尺寸（外径）/Specification of Segment Ring:Φ13.5 × 0.5T × 2.2L(9P/R)型号/Type of mould:通用环5 套/Universal ring振动类型/Vibration Method:附着式气动/Pneumatic vibrator

合作厂商/Client:中铁十二局集团有限公司China railway 12th Bureau group co., Ltd-Chu-ning inter-city railway phase ii签订时间Year/ Month:020/05钢模尺寸（外径）/Specification of Segment Ring:Φ8.5 × 0.4T × 1.6L(7P/R)型号/Type of mould:通用环5 套/Universal ring振动类型/Vibration Method:附着式气动/Pneumatic vibrator

合作厂商/Client:浙江翔宇地铁工程有限公司Zhejiang Xiangyu Metro Engineering Co. LTD签订时间Year/ Month:2020/04钢模尺寸（外径）/Specification of Segment Ring:Φ6.7 × 0.4T × 1.2L(6P/R)型号/Type of mould:标准环9 套/Standard Ring
左转弯环1 套/Left Tapper ring
右转弯环1 套/Right Tapper ring振动类型/Vibration Method:附着式气动/Pneumatic vibrator

合作厂商/Client:苏州三佳交通工程有限公司Suzhou Sanjia traffic engineering Co. LTD签订时间Year/ Month:2020/04钢模尺寸（外径）/Specification of Segment Ring:φ6.6 × 0.35T × 1.2L(6P/R)型号/Type of mould:直线左转弯环1 套/Left Tapper ring
直线右转弯环1 套/Right Tapper ring振动类型/Vibration Method:振动台/Vibration table

合作厂商/Client:Michigan Engineers PVT. LTD签订时间Year/ Month:2020/02钢模尺寸（外径）/Specification of Segment Ring:Φ3.0×0.2T×1L(5P/R)型号/Type of mould:Universal ring振动类型/Vibration Method:Pneumatic vibrator