Chinese NT 2017

The first training camp:
"Chief Coach": Lang Ping
"Head Coach": An Jia-jie (caretaker?)
Assistant Coaches: Bao Zhuang, Lai Ya-wen
Players (according to their first sites):
S - Ding Xia, Yao Di, Diao Lin-yu
OP - Gong Xiang-yu, Yang Fang-xu, Qin Si-yu, Wang Mei-yi, Qian Jing-wen
OH - Zhu Ting, Zhang Chang-ning, Liu Xiao-tong, Wang Yun-lu, Li Jing, Du Qing-qing
MB - Xu Yun-li, Yang Jun-jing, Yuan Xin-yue, Zhang Xiao-ya, Zheng Yi-xin, Wang Yuan-yuan, Gao Yi, Yang Han-yu
L - Lin Li, Wang Meng-jie, Gong Mei-zi

Montreux 2017:
S - Yao Di, Diao Lin-yu
OP - Gong Xiang-yu, Qian Jing-wen
OH - Li Jing, Liu Xiao-tong, Wang Hui-min, Xu Ruo-ya
MB - Zheng Yi-xin, Gao Yi, Wang Yuan-yuan, Wang Chen-yue
L - Lin Li, Wang Meng-jie

WGP 2017:
S - Ding Xia, Yao Di
OP - Gong Xiang-yu, Qian Jing-wen
OH - Zhu Ting, Li Jing, Liu Xiao-tong, Wang Yun-lu
MB - Yuan Xin-yue, Zheng Yi-xin, Gao Yi, Wang Yuan-yuan
L - Lin Li, Wang Meng-jie

WGCC 2017:
S - Ding Xia, Yao Di, Diao Lin-yu
OP - Zeng Chun-lei, Gong Xiang-yu
OH - Zhu Ting, Zhang Chang-ning, Liu Xiao-tong
MB - Yuan Xin-yue, Yan Ni, Zheng Yi-xin, Wang Chen-yue
L - Lin Li, Wang Meng-jie

Just my guess:
Head Coach: Lang Ping
Assistant Coaches: Lai Ya-wen, An Jia-jie
S - Ding Xia, Yao Di, Sun Hai-ping, Rong Wan-qian-bai
OP - Zhang Chang-ning, Gong Xiang-yu, Zheng Yi-xin, Qian Jing-wen
OH - Zhu Ting, Hui Ruo-qi, Liu Xiao-tong, Liu Yan-han, Li Ying-ying
MB - Yang Jun-jing, Yuan Xin-yue, Zhang Xiao-ya, Xu Jiu-jing, Zhang Qian, Hu Ming-yuan
L - Lin Li, Wang Meng-jie, Zang Qian-qian

Some messages:
Wei Qiu-yue announced, "After National Games 2017, I will change my job."
Ding Xia announced she will continue her career until 2020 though at that time, she will be 30 years old.

In theory,
Lang Ping is "not" the head coach of Chinese women's volleyball national team now because of the expiration of contract in September, 2016.

Quote from ST2008

Can someone tell me more about Yan Ni ? This player intrigues me. She 's actually a very good player as MB. But I always ask why JLP invests on her since she's an "old" player and she never participated in any Olympic games before. I also never see her as player in Chinese NT before JLP became the head coach in 2013.

The MBs are named 副攻 (the second spikers). (OH - 主攻 (main spiker), OP - 接应二传 (second setter), S - 二传/举球手 (setter), L - 自由人 (free person))
Yes, middle blockers are also middle spikers and middle receivers (Liu Ya-nan and Chen Jing in OG2004).
Before 2013, Chinese NT needs "middle spikers" such as Liu Ya-nan, Zhang Ping, Xue Ming, Yang Jun-jing and Ma Yun-wen, whose spike is better than their block.
Xu Yun-li's two skills are balanced, so she is the substitute MB.
Yan Ni's block was better than spike before 2013.
Ding Xia helps Yan Ni's spike much.
Yan Ni was a beach volleyball player before 2005.
She was Liu Ya-nan's substitute player before 2009 in Team Liaoning and proved she has a litter receive skill, too.
Although Cai Bin called her in 2009 for 2009 East Asian Games, then Cai Bin lost the head coach of NT.
In 2014, Yang Zhou is still better than her but her injury destroys herself.
Therefore, at last, 28-year-old Yan Ni entered Chinese national team A in 2015.

Quote from samsara

Thanks tomen for explaining, only the one who follows long enough CHN WVB that knows such background stories I wonder since when you follow the news on the team.

I don't even know that name, Yang Zhou 杨舟 let alone her look. So I try to dig out how she looks like, failed by google so I tried baidu, here she's.

Is it her, Yang Zhou, shirt no. 12? No. 8 is Li Jing, the MVP of the recent 2016 AVC Cup for Women.

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In Team Zhejiang, Yang Zhou wears shirt No.12 and Li Jing wears shirt No.8.

Although in theory, Lang Ping should sign her new contract, she may quit due to her long-time heavy injuries.
Other factors also influenced her such as the promise of China Volleyball Association, the situation of her family members and the difficult popularization of volleyball in China.
Many fans gave some plans:
1 Lai Ya-wen or An Jia-jie could be the caretaker before 2018 WCH and Cai Bin, Wang Bao-quan, Yu Jue-min and so on must be out of NT.
2 Foreign coaches? - I only hope a foreign coach be the head coach of Chinese male NT.
3 Cai Bin, Wang Bao-quan or Yu Jue-min and so on returns? Chinese male coaches almost have many lessons of failure instead of experiences of success. What a poor Chinese male volleyball circumstance!
4 The officer of Fujian Province, Chen Zhong-he? Are you kidding me?

For example, many U20 players weren't "professional" players for studying and so on in the future.
The rosters of U20 WCH (bold as active now, blue as ones who joined the senior team
2003: 1 Wang Ke-ke 2 Wang Yi-mei 3 Yang Shuang 4 Xue Ming 5 Lu Qian 6 Lu Yan 7 Yu Chun-ling 8 Wang Lei 9 Guan Jing-jing 11 Wang Ting 12 Yin Meng 14 Shi Fei
2005: 1 Wang Chen (Bayi) 2 Zhao Yu 4 Zhou Run-zhi 5 Yin Na 6 Lu Qian 7 Wang Lin (Bayi/Beijing) 8 Yang Ya-nan 9 Luo Yu 10 Yin Meng 11 Wei Qiu-yue 12 Wang Nan 16 Yan Ni
2007: 2 Fan Lin-lin 3 Xi Xi 4 Shen Jing-si 5 Chen Yao 7 Wang Qian 8 Huo Xuan (R.I.P.) 9 Yin Na 10 Yan Ni 11 Wang Chen (Sichuan) 12 Yang Jun-jing 15 Zhao Yan-ni 17 Hui Ruo-qi
2009: 3 Ding Xia 4 Li Wei-wei 5 Liu Xiao-tong 6 Zhang Yi-chan 7 Wang Na 8 Li Ai-tong 9 Yao Li-yun 10 Yuan Cai-xia 11 Gu Xin-wei 12 Shan Dan-na 13 Sun Ming-jian
2011: 2 Wang Qi 3 Pi Yan-chi 5 Yang Zhou 6 Yao Di 8 Zhang Xiao-ya 9 Yang Fang-xu 10 Wang Hui-min 11 Liu Pei-xin 12 Cheng Long 13 Fan Xiang-chen 14 Lin Li 18 Liu Ming-juan
2013: 1 Wang Ning 2 Li Wei-wei 3 Zheng Yi-xin 4 Wang Feng-jiao 5 Qin Si-yu 6 Yang Fang-xu 7 Song Mei-li 8 Zhu Ting 9 Wu Bei 10 Chen Xin-tong 11 Wang Meng-jie 12 Huang Liu-yan
2015: 1 Sun Hai-ping 2 Hu Ming-yuan 3 Meng Zi-xuan 5 Jin Ye 6 Du Qing-qing 7 Zhang Qian 8 Huang Jia-yi 11 Rong Wan-qian-bai 12 Wang Yuan-yuan 15 Gong Xiang-yu 19 Zhou Xin-yi 20 Yang Yi

She announced it officially in Chinese.
(wait for the English news)
If necessary, An Jia-jie or other coaches had to be the temporary head coach before WGP 2017.