Shanghai, XUHUI DISTRICT, July 02, 2026 (GLOBE NEWSWIRE) -- Haizol ( haizol.com ), the B2B manufacturing marketplace for custom-made parts, has successfully completed the Haizol Supplier Discovery Tour 2026 Summer Edition. The seven-day program, held 11-17 June 2026 across Shanghai and Shenzhen, brought together international manufacturing buyers from more than 31 countries and six global regions for structured, in-person factory visits to Haizol's verified Chinese supplier network. Europe was t