Introduction: Chaozhou Sanhuan (Group) Co., Ltd. is an employee controlled company with over 40 years of history, and the largest electronic component and advanced technology ceramic industry base in China. Sanhuan Group adheres to technological innovation, and high-tech ceramic products have covered application fields such as electronics, communication, machinery, electrical engineering, environmental protection, and new energy. The main products include multi-layer ceramic capacitors, metal glass packaging connection terminals, SMD ceramic packaging bases, LED ceramic packaging bases, aluminum nitride, aluminum oxide ceramic substrates, optical communication ceramic components, resistor ceramic substrates, fixed resistors, high-frequency wound inductor ceramic cores and plates, fuel cell electrode plates, etc., forming a multi class industry based on advanced ceramics, and entering the procurement chain of globally renowned manufacturers; Chaozhou Third Ring official website: www.tree-circle.diytrade.com.