Sing on well ("sow" for short) can be descried as a professional supplier for mechanical & electrical products. Our head office is located in Hong Kong while our workshops are located in mainland of China. At present, we manufacture AC three phase asynchronous motors and synchronous motors of high voltage, which are widely used in power plants, oil field, chemical industry, coal industry, minng industry, metallurgy, building materials to drive different general machines facilities such as blowers, coal grinding mill, crushers, rolling mill, etc.