Stainless Steel Pipe Fitting Tee Manufacturers in Singapore. Leading suppliers dealers in Hougang, Tampines, Pasir Ris, Yishun, Choa Chu Kang, Toa Payoh, Bukit Batok, Rochor, Orchard, Novena, Newton, Kallang and many more places. Sachiya Steel International manufacturing and exporting high quality Stainless steel Buttweld fittings worldwide. We are Singapore's largest Stainless steel Buttweld fittings Exporter, exporting to more than 85 countries.