Warranty refers to a service that consumers get from manufacturers when they buy goods (products). This kind of service refers to the service that the manufacturer provides free repair and maintenance for the faults of the products within a certain period of time due to the quality problems of the products, but needs to pay for the required parts.
Development history
1847, Siemens ag was established.
1872, Siemens' first order in China was to provide pointer telegrams, which marked the beginning of modern telecommunications in China.
1879, Siemens' first order in Shanghai was to provide a 10 horsepower steam generator for Shanghai Port.
From 65438 to 0899, Siemens built the first power plant in China, the first tram in China and the first X-ray machine in China.
From 65438 to 0904, Siemens' business in China expanded rapidly, and its first permanent office was established in Shanghai.
19 10, Siemens provided two sets of generator sets for Shilongba, the first hydropower station in China.
192 1 year, Siemens implemented the electrification project of Zhongxing Coal Mine Company in Zaozhuang, Shandong Province, which was called the first modern mine project in China.