Good Shine Development Limited is a subsidiary company of Wah Shing Toys Co., Ltd., which is fully owned by the South China (China) Limited (HK Stock code 000413).

Good Shine Development Limited was established in 2005, and started off with household products in its own brands. Lately Good Shine has collaborated its resources and focused on developing professional sport and fitness products. Taking advantages on the strong R&D and manufacturing supports from the group, Good Shine can dedicate itself to lead the modern people in achieving better and healthier life through the aides of the innovative well-being products, fitness products, outdoor products and sport products.

Good Shine believes in quality, innovation and modern technology on products that can fill the needs of people who pursue quality of life, health and fitness.

Its product brand name "FitdorFun" pronounces like 'Endorphin' - a kind of happy natural substance that generated by our bodies automatically after exercise, can suppress the body pains. The brand also resembles getting more fun and fitness through exercise.