You are able to find here a list of food exhibitions in Malaysia where you will able to find also canned food.

MIFB

MIFB is the future of food business. They are the largest Food and Beverage Focused Trade event in the country which offers a platform for businesses from the industry to showcase their products and services at an international level. Exhibitors will be offered a highly focused event which caters to their needs and bring them the best ROI. Over 600 participating companies from 50 countries will be hosted and more than 20,000 trade visitors from around the world are expected to visit the 20th MIFB 2019.
Kuala Lumpur