一、采脂和松脂生产全世界的松脂产量每年约675,000吨。近年来,松脂产量最多的国家是中国,其次是苏联、葡萄牙、西班牙、墨西哥和印度。再其次是美国、法国、波兰、民主德国和希腊。保加利亚、匈牙利、南斯拉夫、土耳其、日本、新西兰和其它一些国家也进行松树采脂。从采脂生产的技术装备和对采脂进行科学研究的情况来看,美国占首位。 1. Production of fat and turpentine production Around the world, rosin production is about 675,000 tons per year. In recent years, the country with the most turpentine output was China, followed by the Soviet Union, Portugal, Spain, Mexico, and India. Followed by the United States, France, Poland, Democratic Germany and Greece. Bulgaria, Hungary, Yugoslavia, Turkey, Japan, New Zealand, and other countries also conduct pine tapping. From the perspective of the technical equipment for tapping production and scientific research on tapping, the United States has taken the lead.