Foreword.-in respect to total production per year, oil of camphor is undoubtedly the most important of essential oils, outranking even oils of eucalyptus and citronella. In 1936, for example, the island of Formosa and Japan proper produced about 9,000 metric tons of camphor oil ( including the natural camphor extracted from the oil). With the production of synthetic camphor on a very large scale, the natural product has lost some of its former importance. Nevertheless, prior to world war II, the natural product still supplied half of the demand for camphor on the world markets.
Although it is true that the natural camphor could be replaced completely by the synthetic product, if necessary, the oil of camphor has managed to retain its important position because it contains, aside from camphor, a number of other components which are used in different industries, or which can be converted into valuable aromatic isolates and synthetic aromatics. In this respect oil of camphor, like oil of citronella, is a real " gold mine." It should be pointed out here that the oil of camphor originally obtained by distillation of the wood of the camphor tree will yield, on further treatment, something less than 50 per cent of natural camphor (cryst.), And slightly more than 50 per cent of (residual) camphor oil. The latter is then processed for the isolation of various fractions and aromatics. By exploiting such important by-products, the Japanese, Formosan, and Chinese camphor and camphor oil industries have survived competition on the part of the synthetic camphor industry.
Prior to world war II, the island of Formosa, the world's most important producer of camphor oil and camphor, formed part of the Japanese empire, and Formosa's camphor industry was completely controlled by, and intimately connected with, the chemical industry of Japan proper. The original oil obtained by distillation of the wood was separated in the producing regions of Formosa into crude camphor and residual crude camphor oil, which two main products were then refined in modern, well-equipped factories located in Formosa and Japan. The government of Japan contributed a great deal to the development of camphor oil production in Formosa's primitive interior.

1852 - - - British companies in Formosa made lucrative profit by exporting camphor.
1863 - - - The government prohibit private trading of camphor, this caused the disputes among the local and foreign firms. The regulation was then lifted on 1869.
1885 - - - A camphor monopoly law was put in effect. The camphor production was collected by camphor monopoly bureau and resell to the German merchants.
1890 - - - The delegates of several foreign countries protested to the Chinese government in Beijing for the violation of treaty by the camphor monopoly law. Later, this law was then lifted.
1895 - - - Japanese government started ruling of Taiwan on May. A new law was put in effect to allow only those who were previously licensed by Chinese government to produce camphor.
1896 - - - In February, the Japanese tax law started to effect on camphor and camphor oil. In March the duty rate was formally publicized.
1897 - - - New regulations were publicized but because the trading of camphor was mostly controlled by foreign companies, frequent disputes were brought up.
1899 - - - Unlawful felling of camphor trees, triggered by attempts of local producers to increase production, started to spread. Regarding the tax rate too heavy, 10 yen to 60 kgs camphor and 30 yen to 60 kgs camphor oil. These local producers tried either to evade the tax or to smuggle, left foreign firms the chance to monopolize the profit. Under pressure in circumstances domestic and overseas, the Japanese government announced the regulation of monopoly of camphor and camphor oil. In August these regulations were implemented.
1900 - - - In July, the bureau of camphor Taiwan was established in Taipei, and branch offices were also set in several places.
1901 - - - In June, the bureau became government owned and was changed into Taiwan monopoly bureau of camphor.
1905 - - - Abolished all the branch offices and all the businesses were to be run directly by the head office of the bureau in Taipei.
1911 - - - A government owned factory (Nan-Mon factory ) was built.
1969 - - - The government declared camphor production open to privately owned and TAIWAN TEKHO CAMPHOR CO., LTD. Undertook its ( Nan- Mon factory ) whole installations and running the camphor and its derivative products business until now.
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