Group 1: Equestrian Equipment Industry - Shandong Rocky Sports Goods Co., Ltd. is the only equestrian equipment company in Shandong that integrates design and production, becoming a leading comprehensive equestrian service provider in China [1] - The company has established cooperation with the China Equestrian Association, with products entering over 75% of equestrian clubs nationwide and frequently appearing in major domestic and international events [1] - The equestrian equipment includes helmets, saddles, and leg guards, which are used by athletes at the 15th National Games [1] Group 2: Guitar Manufacturing Industry - Tangkou Town is renowned for electric guitar manufacturing, producing approximately 2 million electric guitars and 5 million accessories annually, exporting to over 130 countries and regions, generating annual revenue exceeding 1 billion yuan [1] - The region is transitioning from "manufacturing" to "branding" in the guitar industry, with the establishment of the "Tangkou Guitar" regional public brand and the cultivation of over 40 independent brands [1] - The industry has accumulated 35 patents and 42 copyrights, promoting traditional Chinese craftsmanship on the global stage through music [1] Group 3: Sapphire and Jewelry Industry - Changle County is recognized as China's largest sapphire mining area, with a mining area of 450 square kilometers and reserves of several billion carats [2] - A fashion industry cluster encompassing design, processing, sales, and brand operation has formed, processing over 10 million carats of gemstones annually, with products sold domestically and internationally [2] - The county supports the development of live e-commerce in the jewelry sector, with over 890 e-commerce enterprises in the China Gem City, leading in sales of mid-to-high-end gemstones [2] Group 4: Gold Jewelry Industry - Changle County has over 560 gold and jewelry processing businesses, employing nearly 5,000 people, and processing more than 100 million pieces of jewelry and over 80 tons of gold annually [2] - The gold jewelry industry is innovating under the "national trend," extending the industrial chain from gemstone processing [2]