We established our factory for the ventilation equipment production in qingzhou city shandong province,2007.

  QINGZHOU YONGSHENG MACHINERY CO.,LTD be used for  our name of factory .After the 4 years later,we got the right certification CCC,CE and the Standerd "ISO 9001".we beginning to export。

  Our first partner came from Southeast Asia. He is a Malaysian. In the face of the orders of the first foreign customers, we carefully carried out the production, using standard raw materials: 180g/m2 frame, bearings from South Korea, belts, Qingzhou City designed HUB, the best 430 stainless steel blades, Siemens motor. Due to the abundance of domestic labor, lower costs, and lower raw material costs, we give customers a very beautiful price. The customer's sales profit is also very impressive. We have cooperated so far.