Iwashima Yakuhin is a Japanese pharmaceutical manufacturer specializing in herbal medicine (生薬) and botanical reference standards (生薬成分標準物質). The website is a corporate informational site with product listings, purchase inquiries, and company information. Language is Japanese (ja-JP) based on title, menu, and footer content. Phone format (052-715-5601) and address format (〒463-0018 名古屋市守山区) confirm Japan region. Color scheme uses professional blue tones typical of pharmaceutical/manufacturing companies.