The desuperheater and pressure reducer belongs to the pressure pipeline component category and currently requires mandatory supervisory inspection just like pressure vessels.

The top three domestic manufacturers of temperature and pressure reduction devices: Jiangsu Yanfu Power Station Valve Auxiliary Machinery Manufacturing Co., Ltd. Founded in 1984, it was formerly known as Yancheng Power Station Valve Factory, with a registered capital of 80 million yuan. It specializes in the production of temperature and pressure reduction devices, color-coated steel plates, etc. The annual output value is 300 million yuan. The company established a quality management system in 1998 and obtained ISO9001 quality system certification, ISO14001 environmental system certification, and OHSAS18001 occupational health and safety management system certification. In 2006, we obtained the pressure pipeline component manufacturing license issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. In 2009, it became one of the 20 urban technology growth enterprises supported by the Yancheng City People's Government. In 2013, it became a supplier of China Huadian Group. In 2015, it became an industry-university-research cooperation unit of Nanjing University of Science and Technology, and jointly established an off-campus training base. The company has 54 invention patents and utility model patents. At the same time, the company is also a standard-implementing enterprise in Jiangsu Province, a third-level safety standardization enterprise in Jiangsu Province, a well-known trademark in Yancheng City, a famous brand product in Yancheng City, and a high-tech enterprise in Jiangsu Province. We have long-term service to more than 50 Fortune 500 customers, including China Resources, Huaneng, Huadian, Guodian, Datang, Guodian Investment, COFCO, Weiqiao, Shagang, Hegang, Yangmei, Shenhua, Jinmei, Jinneng, Lu'an, Shanxi Coking Coal, Shandong Energy, China Energy Construction, CNOOC, Sinopec, CITIC, China National Building Materials, etc.