Zhejiang Yinyao Stainless Steel Co., Ltd., a large-scale enterprise specializing in the production of stainless steel seamless pipes and stainless steel welded pipes, invested in the establishment of a factory in Songyang County, Lishui City in 2006 (Zhejiang Yinlai Steel Pipe Co., Ltd.), and invested in Longquan County, Lishui City in 2007 (Zhejiang Yinlong Stainless Steel Co., Ltd.). In 2022, to accelerate the transformation and upgrading of the stainless steel pipe industry, The newly built high-quality high-end stainless steel pipes in Songyang Chishou Industrial Park (Zhejiang Xinchuang Yinlong Special Steel Pipe Co., Ltd.) now has three major seamless steel pipe production bases in Songyang County and Longquan County of Lishui City, and the Zhejiang Yinyao Stainless Steel Production Base, with a total staff of more than 600 people, including more than 60 professional and technical personnel of all kinds, fixed assets of more than 200 million yuan, and annual output value of more than 600 million yuan.