1972：Ningbo Sanan Valve Manufacture Co., Ltd.formerly known as Zhejiang Xiangshan Valve Factory, was founded in 1972.
1998：The enterprise was changed from a collective enterprise to a joint-stock cooperative enterprise in Xiangshan County Walltou Town, and was renamed Xiangshan Valve Co., LTD
2003：Ningbo Sanan Valve Manufacture Co., Ltd. was established
2007：Xiangshan Economic Development Zone new plant put into use
2009：Ningbo Sanan Valve Manufacture Co., Ltd. introduced Singapore capital to become a Sino-foreign joint venture. The valve testing center with the most complete testing equipment in China has been built
2011：Be rated as a national high-tech enterprise; Sales exceeded 100 million yuan
2012：Xiangshan Valve Co., Ltd. was renamed Ningbo Sanan Copper Co., LTD. Trademark SA is listed as the famous trademark of Zhejiang Province
2013：It is listed as the research and development center of high-tech enterprises in Zhejiang Province and the undertaking unit of industrialization demonstration project of National Torch Plan
2015：Establish the first fully closed dust-free cleaning workshop in China
2016：The company prepares to establish Ningbo Gates Weifu Information Technology Co., LTD. To create the whole industrial chain of the gas industry vertical e-commerce trading platform - WWW.Myqiti.COM
2019：In 2019, the plant upgrading of Tingxi Factory was completed, and the products extended to the industrial chain and won the certification of Zhejiang Manufacturing "Product symbol"
2020：Was named Zhejiang brand model enterprise
2022：Ningbo Sanan Valve Manufacture Co., Ltd. was selected as one of the national "Small Giant" enterprises.