Exhaust fan switch

About us

     Qingzhou Sanhe Machinery Co.,Ltd is the professional manufacturer of ventilation,cooling equipment,humidification and heating equipments in Asia area. It is a high-tech enterprise which has a completed set of specialized designing, manufactruring, installation, sales and after-sale service. We have gotten many titles such as "China Ten Top Brand Fan", "AAA Level of National Quality Company" "Honesty and Qualitative Enterprise". The company strictly executes quality standard and has passed ISO9001:2008 international qualtity system certification and all procedures are under strict standards or according to the customers to produce and test. 

     our company is located in Qingzhou,Shandong province, a developing city with long history. The factory occupied 30,000sqm and the workshop area is 15,000sqm. We have an efficient team containing more than 300 workers. There are 60 engineeers and 6 advanced engineers. 

     Our products are widely used in agriculture and industry's ventilation, cooling system and heating system. 

     Application for greenhouse, poultry house, workshop, supermarket etc. 

     Nowadays, our products have passed "CE" and "CCC" certification, In the condition of no national standard and local standard, as the exhaust fan manufacturing company, we formulate the enterprise standard and approved by government. 

     The company has set up more than 200 sales branches in more than 20provinces of our country. And the products have been exported to tens of countries and regions, such as Asia, Europe, Australia, Brazil, Chile etc.