jay chou most popular ljj i like his songs jolin used to have good songs too i do like chinese songs, but dont really have a fav artist
Lin Zhi Xuan (Terry Lin). He's a popular 90's singer imo I only came across him because I saw him on I am singer, where he sang Jay Chou's 'Fireworks Cool Easily' His voice is epic!
Hit-5, Rainie Yang, GEM
My favorites:

- Anson Hu
- Jay Chou
- Sodagreen
- JJ Lin
Rainie Yang, Nylon Chen, Zhou Mi, Hebe Tien ♥
I'm not sure if all of these fall under Pop, but these are some of my fave Chinese (Mandarin) singers:

Dao Lang / 刀郎
Hou Xian / 后弦
Huan Zi / 欢子
Jacky Xue / 薛之谦
Jade Liu / 劉力揚
Jamyang Dolma / 降央卓玛
Lin Jun Jie / 林俊傑
Ming Sheng Kai / 明圣凯
Pu Ba Jia / 蒲巴甲
REAL / 阿沁
Sodagreen / 蘇打綠
Steve Chou | 周傳雄
TANK / 吕建忠
Vae / 许嵩
Wang Feng / 汪峰
Wang Lee Hom / 王力宏
Xu Qianya / 徐千雅
Y2J / 神木與瞳
Yi Xin / 易欣
Yoga Lin / 林宥嘉

And my absolute top fave is: Yang Pei An / 楊培安
He has tons of great songs, and such a gorgeous, powerful voice. :)

A few of my favourite songs by him:


The God Damn Love (literal: This Love That Deserves To Die) / Zhe Gai Si De Ai / 这该死的爱


Wings In the Wind / Feng Zhong De Yu Yi / 风中的羽翼



Disguises / Jia Zhuang / 假裝



The Sea / Da Hai / 大海



Left Side, Right Side / Zuo Bian You Bian / 左邊右邊

At this moment I like;

Will T. 

GAI

LAY

Kris Wu

Xiao Zhang

Na Ying

In regards to Chinese Pop (both Cantonese and Mandarin) I will list the musicians who I do listen to that pertain to the genre. 

Anita Mui
Faye Wong
Shirley Kwan
Xun Zhou  

I however mostly listen to other genres by Chinese artists, so I will go ahead and list them down below. 

Dian Deng
DoZzz  
Goatak
Gong
Marz23
Orange Ocean
Osean
Pale Air
Rubur
Shengnan Wang
The Sign of Human

This periode I listen a lot to;  W. Yibo's and LAY's music

Wow, this discussion is from way back then....

Anyways

Fav cpop groups: R1SE, Bon Bon Girls 303, S.K.Y, NEXT, The9, and a looooot more

Cpop Artist I like :

Lay Zhang

Kris Wu

Lu han

Jackson Wang

For groups I prefer The9 , R1SE

Jacky Xue / 薛之谦
Jade Liu / 劉力揚