松香供应形势日本1978～1982年5年平均松香供应量为7,900吨/年,其中进口占73％,国内产量约占27％。国内产量全部系分馏进口粗浮油所得。近5年内每年平均进口63,000吨粗浮油、58,000吨松香、6,000吨松节油。从中国的进口量占总进口量的60％。日本市场的松香价格随中国脂松香价格而波动。美国浮油松香的进口主要取决于中国脂松香的 Rosin supply situation Japan’s average supply of rosin for the five years from 1978 to 1982 was 7,900 tons per year, of which imports accounted for 73% and domestic production accounted for approximately 27%. All domestic production is derived from fractionation of imported crude oil. In the past five years, an average of 63,000 tons of crude oil slick, 58,000 tons of rosin, and 6,000 tons of turpentine were imported each year. Imports from China account for 60% of total imports. Rosin prices in the Japanese market fluctuate with Chinese gum rosin prices. The import of American oil rosin is mainly dependent on the Chinese gum rosin