On March 21  Caterpillar and Desay SV’s Tech Day was held on the Caterpillar R&D Center in Wuxi On that day  Desay SV was awarded the 2017 prestigious award for Supplier Quality Excellence Process (SQEP) by Caterpillar  the world’s largest manufacturer of construction machinery  in recognition of Desay SV’s globally-leading design quality  high level of reliability  advanced production technologies  and steadfast service standards