WTAU is a leading developer and manufacturer of safe load indicators and monitoring system for all types of cranes and heavy lifting equipment. With over 20 years experience of servicing the construction, mining and offshore industries, WTAU offers products that continue to perform in the harshest of environments and under the most extreme conditions. Our products covers all crane types and capacities for both the onshore and offshore markets. Nowadays, WTAU products are widely used in marine,electrical, chemical, steel, metallurgy, construction, ports and other industries, and have been wide spreaded to over 60 countries and regions.