S&MAI.S&MAI is a stainless steel pipe and fitting manufacturer integrating industry, academia, and research, established in Jiaxing, Zhejiang in 2016. The company employs advanced acid pickling and passivation technology to enhance product corrosion resistance, while utilizing computer-integrated plasma welding and TIG welding techniques to ensure pipe weld quality. Its connection technology, based on German single-crimp technology, has successfully developed national standard double-crimp and ring-crimp connection products. By establishing a comprehensive ISO quality assurance system and equipping itself with a full suite of physical and chemical testing equipment—including eddy current flaw detectors, spectrometers, and salt spray testers—the company rigorously controls product corrosion resistance, pressure resistance, and sealing performance. Its primary product range encompasses stainless steel pipes, ring compression fittings, compression fittings, and grooved fittings.