Teo Siong Seng and other shipping executives and companies have been accused by the US of conspiring to restrict the output and fix the prices of dry shipping containers. SINGAPORE: Shipping executive Teo Siong Seng is among seven executives of shipping container manufacturing companies that have been accused by the United States of conspiring to restrict the output and fix the prices of dry containers. The price-fixing of nearly all the world's standard dry - or unrefrigerated - containers