IET is a reliable needle valve and gauge valve manufacturer and supplier in Singapore, o ering precision-engineered valves for critical flow control, pressure regulation, and instrumentation applications. Our valves are designed for high accuracy, leak-proof sealing, and long service life under demanding conditions. We manufacture a wide range of needle valves, blow-down valves, manifold valves, and gauge isolation valves — all made in India and exported globally, with local support from our Singapore o ce.