Lufeng's largest gem factory is Lufeng Rong Hui Gem Factory Co., Ltd. According to the inquiry of Lufeng Rong Hui Gem Factory Co., Ltd. official website, Lufeng Rong Hui Gem Factory Co., Ltd. was established in 1987, with an investment of US$ 2 1 10,000 from Hong Kong Bao Hui Group and more than 8,000 employees. In 2005, the company invested more than 300 million yuan to build Asia's largest jewelry production base in Lufeng Donghai Economic Development Zone, Shanwei, covering an area of 3 1 10,000 square meters, with 20,000 square meters of five-star hotel-style office buildings, 4 garden-style factories, 8 apartment-style staff dormitories, 8,000 square meters of staff dining rooms, as well as staff vocational training bases, cultural and sports buildings, basketball courts with lights, football fields, infirmary and other facilities.