合作厂商/Client:中国石油管道局工程有限公司第四分公司The Fourth Branch of China Petroleum Pipeline Engineering CO., Ltd签订时间Year/ Month:2021/03钢模尺寸（外径）/Specification of Segment Ring:Φ2.5 × 0. 25 T × 0.9 L( 6 P/R)型号/Type of mould:标准环 6 套/Standard Ring振动类型/Vibration Method:人工振捣/Insert vibration

合作厂商/Client:上海隧道工程有限公司Shanghai Tunnel Engineering Co., Ltd签订时间Year/ Month:2021/02钢模尺寸（外径）/Specification of Segment Ring:Φ9 × 0. 45 T × 1.8 L( 8 P/R)型号/Type of mould:通用环7 套/Universal ring振动类型/Vibration Method:附着式气动/Pneumatic vibrator

合作厂商/Client:中铁建无锡工程科技发展有限公司China Railway Construction (Wuxi) Engineering Technology Development Co. Ltd签订时间Year/ Month:2021/01钢模尺寸（外径）/Specification of Segment Ring:Φ6.7 × 0. 35 T × 1.2 L( 6 P/R)型号/Type of mould:标准环8 套/Standard Ring
兼用型2 套/Convertible tapper振动类型/Vibration Method:附着式气动/Pneumatic vibrator

合作厂商/Client:福建源博建材有限公司Fujian YuanBo Building Materials Co., Ltd.签订时间Year/ Month:2021/01钢模尺寸（外径）/Specification of Segment Ring:Φ8.3 × 0. 4 T × 1.5 L( 7 P/R)型号/Type of mould:通用环2 套/Universal 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:2021/01钢模尺寸（外径）/Specification of Segment Ring:Φ6.6 × 0. 35 T × 1. 2L( 6 P/R)型号/Type of mould:直线环12 套/Standard Ring
通用环2 套/Universal ring振动类型/Vibration Method:附着式气动/Pneumatic vibrator