Currently, S&L Group has three major manufacturing bases in Shanghai, Zhejiang, and Jiangsu, with a total land area of 150,000 square meters and a total building area of 78,000 square meters. Our products have passed the ISO9001, 14001, and 18000 system certifications, as well as international certifications such as SGS and CE. We also hold Class I and II pressure vessel production licenses.