Yes, the money made there is critical for R&D spending at home, especially for Huawei, which is one of the highest R&D spenders in the world and plans to have the largest global market share by 2019.
Indians can't reject China brands because they are simply well-built and comes with price competitiveness due to China's complete manufacturing ecosystem. Huawei or Oppo's margin of profit is no less than that of Samsung in their corresponding segments. But, China has a lot of manufacturing advantages, hence, the prices remain competitive, which Indians cannot reject.
If it were for use and throw, Indians would be buying made-in-India products.
I never tried tennis shoes. But Li Ning basketball and running shoes are very comfortable, high-tech and durable.
I had Li Ning Smart basketball shoes with integrated apparatus that would connect with your smartphone (through an App) and give you a lot of information regarding fitness.
That's another aspect. Because most Indian phone companies will source their components from China. Oftentimes, the paint job will be the one truly made in India.
