Ningbo Shuangda plastics Co.,Ltd.to be established in 1995, the production is the panel tube air blower by the amount of wind big, the noise is low, the price compared to high is well-known in the colleague, with domestic many central air conditioning manufacturer cooperation necessary, exported US, Japan, widely used in the air conditioning, the purifier, the fireplace, the warm air blower and so on the draft equipment. In order to enhance with the guarantee product quality, surmounted customer's request unceasingly, our company starts from 2000 in the management comprehensively to induct ISO9001: 2000 international quality control guarantee system, and in 2002 smoothly through this authentication, unceasingly promotes the product quality with the science management, persisted continues to improve, forever take satisfies the customer to request as the pursue goal.