YBhg. Tan Sri Datuk Sir Tiong Hiew King was born to a poor family in Sarawak, Malaysia in 1935. Although he had to tap rubber when he was young, he had a strong thirst for knowledge. He graduated from Chung Cheng Primary School in Sibu, and later Methodist High School and Sacred Heart High School.
Subsequently, he took up a correspondence course with a Chinese university as he knew there was no limit to what a person could learn. He began his working life at his uncle's timber company, which laid a solid foundation for his future development. In 1975, YBhg. Tan Sri Datuk Sir Tiong set up Rimbunan Hijau. He showed the kind of perseverance that Fuzhou people are known for. Together with some of his brothers, Rimbunan Hijau Group established a solid reputation and has emerged as a revered multinational corporation.
YBhg. Tan Sri Datuk Sir Tiong has worked on a global scale to erect a diversified business spanning six continents, whose countries and regions include Singapore, Indonesia, Cambodia, Hong Kong, Japan, Korea, Papua New Guinea, Australia, Russia, Congo, Equatorial Guinea, Gabon, British Guyana, Canada, and the United States. He also has investments in Qinzhou, Shanghai, Harbin and Guangzhou in China. Other than timber exports and timber processing, his business has also expanded to media and publishing, agriculture (oil palm plantations and mills), oil and gas, mining, aquaculture, reforestation, finance, information technology, trading and property development.
In 2010, YBhg. Tan Sri Datuk Sir Tiong Hiew King was awarded "Malaysia Business Leadership Award 2010 – The Lifetime Achievement Award" by the Kuala Lumpur Malay Chamber of Commerce in recognition of his entrepreneurship achievements and contribution to the country. In Malaysia, there are four public listed companies under the Group, namely Subur Tiasa Holdings Berhad, Jaya Tiasa Holdings Berhad, Rimbunan Sawit Berhad, and Media Chinese International Limited. The Capitalists magazine named YBhg. Tan Sri Datuk Sir Tiong as one of Malaysia's ten richest businessmen.
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棕櫚種植 – 種植與加工業務
種植
常青集團於1988年開始投資棕櫚種植與加工行業，並在砂拉越美里附近的峇貢地產開始了第一個種植園。常青集團子公司—Rimbunan Sawit Berhad 已在砂拉越棕櫚工業中占有重要的地位。更重要的是，我們以可持續性發展和環保的方式來進行，保證無露天焚燒，控制使用農藥，從而減少對土壤及河流的污染。
現代農業技術是我們種植園經營的長期支柱。培植優質的種苗是確保高產量及優質棕櫚油的前提。
棕櫚培植的前景是光明的。近期，石油價格不斷上漲，生化燃料的需求隨之而來，一些國家如中國，預計將會增加對棕櫚油的需求。
棕櫚油工廠
新成立的兩個棕櫚油工廠（位於古晉的常青倫樂棕油廠和位於詩巫的常青實蘭溝棕油廠）使得常青集團在砂拉越區的工廠增加到三個。這樣我們不僅能加工自己種植園的產出，還可以加工處理附近其它工廠和小農場的棕油果。
我們的工廠採用了環保設計和最新技術的監測及自動化控制系統，（包括了PLC和SCADA系統），從而大大的增加了新鮮棕櫚果的油提煉率，減少油的流失，並且提高果核的提煉率。
我們實施有效的環保措施。在我們實施的零浪費的措施下，對空的果束再循環使用，作為纖維供發電使用。我們嚴格遵守環境部門的標準，將研磨的廢水排放至廢水池，以此來改善廢水的質量並減少對臨近河流的任何有害的影響。
我們的工廠不僅是加工的場所，我們也同研發專家緊密合作，共同研究其它對環境有利並探討能增值的副產品的操作方式。
林業
媒體
酒店服務業 – 概況
棕櫚種植
硬體、軟體及信息通訊技術
其他
