Nanhai Petroleum & Chemical Co. Ltd. was incorporated in Hong Kong on 5 May 1994 as a wholly owned subsidiary of Wahyang Holdings Limited.

The company provides quality petroleum trading services for generation plants, oil companies and other users in Hainan Province at competitive prices. The area of business extends to coastal cities like Fujian Province; Zhanjiang, Zhuhai and Shantou in Guangdong Province as well as Fangcheng and Beihai in Guangxi Province. The company is also on amiable terms with cooperation partners and agents in Singapore, Japan, Indonesia, Korea and Hong Kong.

As a wholly owned subsidiary of Wahyang Holdings Limited, the company enjoys autonomy by operating through its own marketing and shipping arms to undertake shipping contracts. Coupled with oil terminal storage facilities, it is able to offer clients highly efficient and reputable one-stop services with minimum intermediary procedures. The company has gained high acclaim from clients. With the petrochemical trading business growing rapidly, the company boasts an annual turnover exceeding HK$0.1 billion.