求翻译：青岛宏泰铜业有限公司和青岛宏泰金属制品有限公司的产品销往全国各地并出口到三十多个国家和地区。广泛应用于制冷、暖通、水管、汽管、油管等多个领域。两公司紫铜管产销量在山东省同行业中位居第一，在全国同行业中排名第四。现在两公司已拥有连铸连轧法、挤压法、上引法三种铜管生产工艺，能够满足不同领域顾客的需求。是什么意思？

Qingdao hongtai copper Ltd and Qingdao hongtai metal products Ltd's products are sold all over the country and exported to more than 30 countries and regions. Widely used in refrigeration, HVAC, water pipe, steam pipe, tubing, and other fields. Two copper tube production in Shandong province ranks first in the industry, ranked fourth in the national industry. Now the two companies already have laws on continuous casting and rolling, extrusion, cited on three types of copper tube production processes to meet customer needs in different areas.