1978年7月15日至8月15日中国工艺品总公司赴日工艺品贸易小组访问了日本。现就日本淡水珍珠生产的情况简介如下: 一、概况:日本淡水珍珠主要产于滋贺县的瑟琶湖,其产量占全国总产量的95%,其次是千叶县的霞之浦湖,但仅占5%。瑟琶湖位于日本列岛的中部,湖面积约为674平方公里,周长232公里,容水量290亿吨, From July 15, 1978 to August 15, 1978, the Chinese handicraft head office visited Japan for handicraft trade. The briefing on the production of freshwater pearl in Japan is as follows: I. Overview: Japan’s freshwater pearl is mainly produced at Sekho Lake in Shiga Prefecture, accounting for 95% of the country’s total output, followed by Xiazhipu Lake in Chiba Prefecture Only 5%. Seokpa Lake is located in the middle of the Japanese archipelago, the lake area of ​​about 674 square kilometers, 232 kilometers in circumference, water capacity of 290 tons,