Guanchen Zhou (周冠辰) won the Xining Summer Open 2015 with an average of 10.62 seconds. Jiejie Du (杜杰杰) finished second (10.89 seconds) and Jiekang Pan (潘杰康) finished third (11.19 seconds).
Full results are on the Cubing China page.

Weixing Zhang (张炜星) won the Wuxi Open 2015 with an average of 9.81 seconds. Jiayu Wang (王佳宇) finished second (9.92 seconds) and Yongting You (尤永庭) finished third (10.37 seconds).
Full results are on the Cubing China page.
China records: Yongting You (尤永庭) 4x4 Cube 32.08 seconds (average).

Jiayu Wang (王佳宇) won the Shantou Open 2015 with an average of 8.23 seconds. Kailong Li (李开隆) finished second (9.54 seconds) and Weixing Zhang (张炜星) finished third (10.08 seconds).
Full results are on the Cubing China page.
China records: Zijia Feng (冯子甲) Rubik's Clock 5.20 seconds (single), Zijia Feng (冯子甲) Rubik's Clock 6.41 seconds (average), Weixing Zhang (张炜星) 4x4 Cube 32.81 seconds (average).
Hong Kong records: Mok Man Kit (莫文傑) Rubik's Clock 10.83 seconds (single).

Kai Su (苏锴) won the Qinzhou Open 2015 with an average of 10.99 seconds. Qiting Wei (韦期庭) finished second (13.39 seconds) and Hongji Zeng (曾鸿基) finished third (13.67 seconds).
Full results are on the Cubing China page.

Guojie Wang (王国杰) won the Huizhou Open 2015 with an average of 9.71 seconds. Kailong Li (李开隆) finished second (9.78 seconds) and Weixing Zhang (张炜星) finished third (9.97 seconds).
Full results are on the Cubing China page.

Weixing Zhang (张炜星) won the Yangjiang Open 2015 with an average of 10.26 seconds. Kailong Li (李开隆) finished second (10.39 seconds) and Qianqian Shao (邵千芊) finished third (10.85 seconds).
Full results are on the Cubing China page.