1

China Telecom's 2019 FTTH special fiber splicing machine centralized procurement project

China Telecom Group Co., Ltd./China Telecom Co., Ltd.

2019

2

China Mobile's centralized procurement of fiber optic splicing instrument products from 2020 to 2021

China Mobile Communications Co., Ltd.

2020

3

China Mobile Railway Railway Chongqing Branch from 2020 to 2021 to purchase fiber optic welding machine maintenance service

Zhongyi Railway Co., Ltd. Chongqing Branch

2020

4

China Mobile Railway Guangdong Branch 2020 welding machine (instrument) maintenance technical support service procurement project

China Yi Railway Co., Ltd. Guangdong Branch

2020

5

Instrument and instrument repair service project of China Yitong Inner Mongolia Branch from 2021 to 2023

Zhongyi Railway Co., Ltd. Inner Mongolia Branch

2020

6

Guangdong Unicom fiber splicing machine open market recruitment project

China United Network Communications Co., Ltd. Guangdong Branch

2021

7

Inner Mongolia Autonomous Region Communications Service Co., Ltd. 2021 FTTH welding machine procurement project (three times)

Inner Mongolia Autonomous Region Communications Service Co., Ltd.

2021

8

China Mobile Railway Railway Chongqing Branch 2022-2023 welding machine maintenance service procurement project (second time)

Zhongyi Railway Co., Ltd. Chongqing Branch

2022

9

China Communications Service Co., Ltd.'s 2022 *** CPA headquarters-level instruments and meters (including gasoline generators) centralized procurement project

China Communications Services Co., Ltd.

2022

10

Liaoning Unicom's 2022-2024 leather optical cable fusion machine procurement project (second time)

Liaoning Branch of China United Network Communications Co., Ltd.

2022

11

China Unicom Sichuan Company's FTTH fiber optic splicer and common tool kit centralized procurement project in 2022

China United Network Communications Co., Ltd. Sichuan Branch

2022

12

Zhongyi Tietong Co., Ltd.'s centralized procurement project for fiber splicing instruments from 2022 to 2023

Zhongyi Tietong Co., Ltd.

2022

13

Jiangxi Unicom leather wire welding machine procurement project from 2023 to 2024

China United Network Communications Co., Ltd. Jiangxi Branch

2023

14

Centralized procurement of instruments and equipment purchases in Fujian Unicom in 2023

Fujian Branch of China United Network Communications Co., Ltd.

2023

15

2023 China Unicom Hainan Branch’s Fiber Optic Splicer Purchase

Hainan Branch of China United Network Communications Co., Ltd.

2023

16

China Yipin Jilin Branch 2023-2024 Instrument and Meter Repair Service Project

Jilin Branch of Zhongyi Railway Co., Ltd.

2023

17

Zhongyi Tietong Co., Ltd.'s centralized procurement project for fiber splicing instruments from 2023 to 2024

Zhongyi Tietong Co., Ltd.

2023

18

China Mobile Railway Chongqing Branch 2024 welding machine maintenance service procurement project

Zhongyi Railway Co., Ltd. Chongqing Branch

2024

19

Tianjin Tongfu 2024 installation and maintenance equipment maintenance service procurement project

China Communications Construction Group Co., Ltd. Tianjin Communications Service Branch

2024

20

China Mobile Railway Sichuan Branch 2024-2025 welding machine and PDA maintenance service procurement project

Zhongyi Railway Co., Ltd. Sichuan Branch

2024

21

China Yi Railway Henan Branch 2025-2026 Instrument and Instrument Maintenance Service Project

Henan Branch of Zhongyi Railway Co., Ltd.

2024