Here are my contributions of some tutorials for Steem users:

Searching an alternative platform for Steemit? An Introduction to Busy.org
https://steemit.com/utopian-io/@kimzwarch/searching-an-alternative-platform-for-steemit-an-introduction-to-busy-org

另一个Steemit的替代平台：Busy.org简介
https://steemit.com/utopian-io/@kimzwarch/steemit-busy-org

Want to Go Mobile on Steemit? An eSteem Introduction
https://steemit.com/utopian-io/@kimzwarch/want-to-go-mobile-on-steemit-an-esteem-introduction

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Here are a collection of tutorial posts that I found useful for the Steem users. For these collection, all of them are written in Chinese or in two languages which are Chinese and English.

使用Steempy和Vessel保护帐号安全 [This is a guide for Steem users to safe keep their account, preventing theft]
https://steemit.com/cn/@skenan/steempy-vessel

Steemit用户声望值升级越到后面越难，如何提高？ // How is the Steemit user reputation score calculated? And how to increase it? [This is a guide about the calculation of reputation score in Steem, it is good to know on how to push that up and it will increase the upvote value relatively.]
https://steemit.com/cn/@tumutanzi/steemite

提示：重复投票会浪费多次Voting Power [A reminder on not wasting Voting Power from repetitive vote.]
https://steemit.com/cn/@oflyhigh/voting-power

怎么检查给你点赞的人是否100分点赞 [A guide on how to check the weightage of voting you get from others.]
https://steemit.com/cn/@wang-peilin/100

Thief of Steem有贼 [A guide for Steem users to safe keep their account, preventing theft]
https://steemit.com/steem/@nationalpark/thief-of-steem

我在STEEM发文的动力 [A motivational guide for Steem users to keep on producing contents.]
https://steemit.com/busy/@justyy/5qling-steem

买赞合算吗？[A guide to justify the worthiness of buying a vote.]
https://steemit.com/cn/@oflyhigh/4g2fwf

How to delete duplicate posts which made by carelessness / 如何删除不小心发重复的帖子 [A guide to delete duplicated posts.]
https://steemit.com/steemit/@oflyhigh/how-to-delete-duplicate-posts-which-made-by-carelessness

Always keep enough STEEM POWER / 账户内记得保留足够的SP [A guide for maintaining the right amount of Steem Power.]
https://steemit.com/steem/@oflyhigh/always-keep-enough-steem-power-sp

How to set up a user-friendly password for the posting private key? / 如何为posting private key 设置个友好的密码？[A guide to manage your passwords, very important as I had lost once before but luckily recovered it.]
https://steemit.com/steemdev/@oflyhigh/how-to-set-up-a-user-friendly-password-for-the-posting-private-key-posting-private-key

通过cnsteem.io快速注册steem帐号 [A guide to register yourself to Steem.]
https://steemit.com/cn/@skenan/cnsteem-io-steem

My SBD and Steem are stolen 我的Steemit帳號的錢被偷光光了[A guide for Steem users to safe keep their account, preventing theft. She is one of the victim of being theft by a user. Her active key was compromised and the culprit can transfer all her Steem and SBD to any other account, without consent.]
https://steemit.com/steemit/@catwomanteresa/my-sbd-and-steem-is-stolen-steemit

SBD大涨以后，在Steemit上写作的收入又可观了……[A guide to decide whether go for 50/50 payout of 100% Power up]
https://steemit.com/cn/@tumutanzi/sbd-steem

好文章应该简洁而不是冗长 [A guide to write a good content.]
https://steemit.com/cn/@tumutanzi/bdwoj

用blocktrades把BitShares換了一點STEEM(附教學) [A guide to buy in Steem.]
https://steemit.com/cn/@htliao/blocktrades-bitshares-steem

[ Steem十講之第一講 ] 行為的主體 [A guide to understand the behavior of users on Steem.]
https://steemit.com/cn/@deanliu/2qg2ar-steem

[ Steem十講之第二講 ] Steem之鏈 [A guide to understand about the Steem blockchain.]
https://steemit.com/cn/@deanliu/steem-steem

[ Steem十講之第三講 ] Curation，上帝之手？[A guide about curation on Steem.]
https://steemit.com/cn/@deanliu/steem-curation

[ Steem十講之第四講 ] 面子，還是裡子？The social factor [A guide to understand the social economy in Steem.]
https://steemit.com/cn/@deanliu/steem-the-social-factor

新人生存指南之一：steem介绍（更新版）[An introductory for Steem]
https://steemit.com/cn/@lemooljiang/4c9adi-steem

新人生存指南之二：翻墙注册（更新版）[A guide to register on Steem in China]
https://steemit.com/cn/@lemooljiang/4xxuhj

新人生存指南之三：创作赚钱（更新版）[A guide to earn through Steem]
https://steemit.com/cn/@lemooljiang/7dxgdv

新人生存指南之五：司第目工具红宝书-更新版 [A collection of tools to use on Steem, helping us to create contents, finding images, etc.]
https://steemit.com/cn/@lemooljiang/7j8kes
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When I first started in Steem, I was introduced into the CN community and I learnt a lot from these tutorials as well. I am truly grateful for all the great works they had done and helped me along the way too. 
Special credits to all the authors: @lemooljiang, @deanliu, @htliao, @tumutanzi, @catwomanteresa, @skenan, @oflyhigh, @justyy, @nationalpark, @wang-peilin, and @skenan.