Hanoi, Feb. 9 -- Many observers believe the ongoing first Glorious Spring Fair is no longer simply a venue for early-year retail activity, but is increasingly becoming a platform for businesses to test products, expand distribution networks, build brand identity, and seek long-term partners. One noticeable feature of this year's fair is the shift in how companies approach the market. Whereas fairs were once associated mainly with promotions, clearance sales, and discounted goods, exhibitors are now investing more systematically in display design, product packaging, and brand communication. Many businesses are doing more than presenting product functions; they are also telling the story of their raw-material regions, production processes, ...