When was China Mobile established and the SMS service launched?

China Mobile Communications Group Corporation (hereinafter referred to as "China Mobile Communications") was established on April 2, 2, with a registered capital of 51.8 billion yuan and assets exceeding 4 billion yuan. China Mobile Communications Group Co., Ltd. wholly owns China Mobile (Hong Kong) Group Co., Ltd., and China Mobile (Hong Kong) Co., Ltd., which is controlled by it, has set up wholly-owned subsidiaries in 31 provinces (autonomous regions and municipalities directly under the Central Government) and listed in Hong Kong and new york. At present, China Mobile (Hong Kong) Co., Ltd. is one of the largest listed companies in China.