---
title: "知笺云 - Reviews, Revenue and Downloads in China | Apple App Store"
description: "面向交易系统、CA机构、印章机构提供免费专人对接服务，面向各相关对接使用单位及终端用户提供服务，方便广大经营主体通过移动扫码方式开展招投标活动。"
---

# 知笺云 — China
> 值得信赖的电子签名服务商

![知笺云 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/72/6e/ee/726eeeee-7ea1-b3a1-b791-28f46f2ec872/AppIcon-0-0-1x_U007emarketing-0-6-0-85-220.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-tgiPk)
**Category:** Business
**Rating:** 5.0/5 (3 ratings)
**Price:** Free
**Bundle ID:** com.zhijianyun.UNIA5AECD7
**Store:** Apple App Store
**Country:** China
**Version:** 1.6.8 (released 2026-08-21)
**Original Release:** 2025-02-19
**Languages:** Chinese, English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/cn/app/app/id6742137307)
**AppTail Page:** [https://apptail.io/app/app-FIDv/china](https://apptail.io/app/app-FIDv/china)

## 知笺云 Description
面向交易系统、CA机构、印章机构提供免费专人对接服务，面向各相关对接使用单位及终端用户提供服务，方便广大经营主体通过移动扫码方式开展招投标活动。

## 知笺云 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0b/21/c4/0b21c4d0-be0c-3b81-2d8d-1341a5f2d061/2.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7f/11/c5/7f11c5cf-2882-2908-9359-23faccccd7d3/4.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e1/8a/3b/e18a3b36-f618-ed4a-2e16-187b8ba3e09b/9.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/73/42/b7/7342b757-408b-55ec-db9c-9b2d855564a3/11.png/1242x2688.png)

## 知笺云 Rating Breakdown in China
- 5 stars: 3 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)







---

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