Hangzhou Tieliu Vacuum Booster Manufacturing Co., Ltd. Was established in 2002. The company mainly produces and sells automotive vacuum boosters, clutch boosters, air brake boosters and other series of products.

The company has a complete set of mold processing center, product research and development center, press line and many other vacuum booster assembly production lines, namely high-precision vacuum booster tightness, input and output characteristics test bench, high and low temperature fatigue durability test bench.

Products produced by the company (from small to large): 3 inches, 4.2 inches, 4.5 inches, 5 inches, 6 inches, 7 inches, 7.5 inches, 8 inches, 9 inches, 9.5 inches, 10 inches, 10.5 inches, 11 inches, 6 +7 inches, 7+8 inches, 8+8 inches, 8+9 inches, 8+10 inches, 8+9 inches, 9+9 inches, 9+10 inches, 10+10 inches, etc. 22 series more than 2000 Variety of vacuum boosters; Various specifications of Φ 70~105mm Japanese and European clutch boosters; NJ\LE\LR series vacuum boosters. It has the comprehensive strength of producing 1 million sets of products per year. The company's products cover nearly 20 countries and regions including Southeast Asia, Eastern Europe, the United States, South America, Japan, and the Middle East. It is one of the leading parts suppliers in the automotive industry.