Jinhua top whale ventilation equipment Co., Ltd. (hereinafter referred to as top whale fresh air) is headquartered in Dongyang City, Zhejiang Province, and its production base is located in Pan’an County, Zhejiang Province. It is a professional environmental protection fresh air pipeline series products and floor heating module and other comprehensive service provider. The company’s main products are: 132 * 30 PVC and ABS flat pipe series, 145 * 30t flat pipe series and food grade PE corrugated pipe series Series, EPP environmental protection silencing pipe series, ABS tuyere, floor heating module, etc.; Dingjing Xinfeng focuses on the main business, strengthens research and development, provides customers with high cost-effective new wind auxiliary products, and achieves rapid and healthy development together with customers.