Profile: Key - Lead International Ltd. is a manufacturer of stainless steel tube fittings. We supply a wide range of sanitary valves, sanitary fittings, stainless steel fittings, and tube fittings. Clamp style fittings are designed to easily assemble or disassemble the lines and systems for maintenance & cleaning in place. Tri-clamp system of stainless steel piping components are designed to provide a smooth, non-contamination or non-corrosive environments. Tri-weld fittings have corrosion resistance. This streamlined design, flush joints and butt-weld assembly provides full, unrestricted flow for hygienic and permanent welded systems.