Shaowei Hou (侯少尉) won the Xi'an Summer 2015 with an average of 10.27 seconds. Yan Jin (金岩) finished second (10.92 seconds) and Jiejie Du (杜杰杰) finished third (11.44 seconds).
Full results are on the Cubing China page.

Jingzheng Wang (王景正) won the Qinhuangdao Open 2015 with an average of 11.35 seconds. Yiming Liu (刘一鸣) finished second (11.86 seconds) and Guanchen Zhou (周冠辰) finished third (12.15 seconds).
Full results are on the Cubing China page.

Jiayu Wang (王佳宇) won the Wuhan Open 2015 with an average of 9.57 seconds. Jiekang Pan (潘杰康) finished second (10.77) and Bo Wang (王擘) finished third (11.38).
Full results are on the Cubing China page. 

Yukun Wang (王宇坤) won the Chengdu Open 2015 with an average of 10.91 seconds. Haixin Yang (杨海鑫) finished second (11.13 seconds) and Weihan Zhang (张巍瀚) finished third (11.57 seconds).
Full results are on the Cubing China page.
World records: Haixin Yang (杨海鑫) 3x3 one-handed 8.27 seconds (single).

Jiayu Wang (王佳宇) won the Nanjing Spring 2015 with an average of 9.42 seconds. Zhangning He (何樟宁) finished second (10.57 seconds) and Jiekang Pan (潘杰康) finished third (11.22 seconds).
Full results are on the Cubing China page.
China records: Chenwei Li (李琛炜) Rubik's Clock 7.18 seconds (average), Jiayu Wang (王佳宇) 3x3 one-handed 13.51 seconds (average).

Kailong Li (李开隆) won the Cube of Prime Numbers 2015 with an average of 9.93 seconds. Weixing Zhang (张炜星) finished second (10.18 seconds) and Kaijun Lin (林恺俊) finished third (10.41 seconds).
Full results are on the Cubing China page.
China records: Baiqiang Dong (董百强) 3x3 fewest moves 28.67 turns (average), Kailong Li (李开隆) 5x5 Cube 1:04.98 (average), Kaijun Lin (林恺俊) 5x5 blindfolded 8:51.52 (single).
Hong Kong records: Mok Man Kit (莫文傑) 7x7 Cube 4:05.38 (average), 7x7 Cube 3:44.66 (single).

Jiayu Wang (王佳宇) won the Wenzhou Open 2015 with an average of 8.48 seconds. Kaijun Lin (林恺俊) finished second (9.66 seconds) and Weixing Zhang (张炜星) finished third (10.90 seconds).
Full results are on the Cubing China page.
Asia records: Xuming Wang (王旭明) 4x4 Cube 26.21 seconds (single).