Our company is located in the Fenghuang industrial area, xiaoshan, Hangzhou, Zhejiang, China. Hangzhou tangshi ventilation engineering Co., Ltd is one of the largest leading manufactures of evaporative air coolers in China. By the support of advanced management and strong engineering teams, we professionally design and produce high quality, energy saving and environment-friendly products. We control the whole producing process, sale upto a fist class especially on the after-sale service.

The company is devoting full attention to the scientific and technologic creation of new product. We are protecting our branded products such as Tangshi negative pressure exhaust fan, Tangshi damp curtain cooling system and Tangshi evaporative cooler and so on. These products are characterized in effective, energy saving and environment-friendly, and thus meet the customer'sneeds.

We have gained favorable reputation from customers at home and abroad. The company will insist on the principle of "Quality First, Customer Foremost" and continue to offer high quality products and services to domestic and foreign friends customers. Let's create healthy and comfortable working and living environments.