Hangzhou second-hand equipment recycling company. Hangzhou, referred to as Hangzhou for short, is the capital of Zhejiang Province, a sub-provincial city, a core city of Hangzhou metropolitan area, the capital of Zhejiang Province and the economic, cultural, scientific and educational center of the whole province approved by the State Council, and one of the central cities in the Yangtze River Delta. According to the relevant information, Hangzhou Second-hand Equipment Recycling Company in this area recycled the gallbladder machine at the price of 511 yuan. Courage machine refers to the amplifier of electron tube. Some electron tubes are used for amplification, while others are used for polishing.