Central Development Holdings Limited Central Development Holdings Limited (0475.HK), an investment holding company incorporated in the Cayman Islands in 1983 and headquartered in Wan Chai, Hong Kong, principally engages in the jewelry business and energy business segments in the People's Republic of China and Hong Kong. The jewelry business involves the design, manufacture, and wholesale of fine jewelry products to distributors and retailers. The energy business manufactures and sells solar cooling intelligent technology products using thermal cooling-stored pipes; sells solar photovoltaic modules, components, and intelligent technology products including solar PV components and accessories, intelligent direct-current micro-inverters, and power optimizers; and sells refined oil and liquefied natural gas. The company, a subsidiary of Resources Rich Capital Limited, operates with 64 employees and generates the majority of its revenue from the energy segment. In recent developments, Central Development Holdings Limited issued interest-free convertible bonds with a principal amount of HK$52 million on December 5, 2022, to acquire a 35% equity interest in Chengdu Huahan Energy Co., Ltd., an associate holding 50% equity in Anhui Huagang Bochen New Energy Co., Ltd., which focuses on natural gas pipeline networks, residential heating, and procurement, thereby expanding its energy operations through synergies with existing solar photovoltaics and natural gas activities; the company was formerly known as Zhong Fa Zhan Holdings Limited and changed its name in October 2019.