合作厂商/Client:湖南恒盛瑞通新型建材有限公司Hunan Hengsheng Ruitong New Materials Co.,Ltd签订时间Year/ Month:2018/07钢模尺寸（外径）/Specification of Segment Ring:Φ6.2 × 0.35T × 1.5L(6P/R)型号/Type of mould:标准左1 套/Standard Ring
标准右1 套/Standard Ring
左转弯环1 套/Left Tapper ring振动类型/Vibration Method:振动台/Vibration table

合作厂商/Client:中铁十四局集团太原混凝土制品有限公司China Railway 14th Bereau Group Taiyuan concrete product Co., Ltd签订时间Year/ Month:2018/07钢模尺寸（外径）/Specification of Segment Ring:Φ6.2 × 0.35T × 1.2L(6P/R )型号/Type of mould:标准左转弯环1 套/
标准右转弯环1 套/振动类型/Vibration Method:电动式/Electrical vibrator

合作厂商/Client:广州华隧威预制件有限公司Guangzhou Huashuiwei Precast co., ltd签订时间Year/ Month:2018/06钢模尺寸（外径）/Specification of Segment Ring:Φ4.1 × 0.25T × 1.2L(6P/R)型号/Type of mould:通用环2 套/Universal ring振动类型/Vibration Method:电动式/Electrical vibrator

合作厂商/Client:中铁十四局集团第五工程有限公司The fifth project Co., Ltd of China Railway Bureau 14 Group签订时间Year/ Month:2018 /06钢模尺寸（外径）/Specification of Segment Ring:Φ6.7 × 0.35T ×1.5L(6P/R)型号/Type of mould:通用环2 套/Universal ring振动类型/Vibration Method:附着式/Pneumatic vibrator

合作厂商/Client:中铁十四局集团太原混凝土制品有限公司China Railway 14th Bereau Group Taiyuan concrete product Co., Ltd签订时间Year/ Month:2018/06钢模尺寸（外径）/Specification of Segment Ring:Φ6.2 × 0.35T ×1.2L(6P/R )型号/Type of mould:右转弯环1 套/Right tapper ring振动类型/ Vibration Method:气动式/ Pneumatic vibrator