Hangzhou Sitong Pump Co., Ltd. Is a professional manufacturer of auto pneumatic brake system components, clutch booster series and other products. The company is located in Xiaoshan District, Hangzhou City, a famous economic county in China, with convenient transportation and highways, railways and waterways running through it. It is only 30 kilometers away from Xiaoshan International Airport. The company fully implements the ISO9001: 2000 international quality system standard. The company has more than 110 employees, including a senior engineer, of which 15% are engineering technicians. It has many production lines, such as numerical control processing, automatic die-casting of aluminum parts, large tonnage hydraulic pressure, high-strength stamping, and final assembly inspection. The product quality shall be fully tested to ensure high production efficiency and high product quality, so as to meet the supporting needs of well-known enterprises at home and abroad.