Ostin Technology Group Announces Indiegogo Crowdfunding Campaign Through its US Subsidiary to Elevate Pintura Photo Sharing Product Upgrade and Expand Global Sales Channels Nanjing, China, March 21, 2024 (GLOBE NEWSWIRE) -- Ostin Technology Group Co., Ltd. ("the Company") (Nasdaq: OST), a leading supplier of display modules and polarizers based in China, announces that...