华东地区是我国石油钻采机械的重要制造基地之一。定点生产石油钻采设备和配件的各机械厂,共有职工一万多人。其中一些骨干厂有近三十年的专业生产经验。仅1979年就生产了各种配件、设备和工具达一万五千多吨。近年来,为赶上世界先进水平,我们对部分老产品进行了“更新换代”,生产了一批较为先进的新产品。各石油机械厂普遍加强了全面质量 East China is one of the major manufacturing bases for oil drilling machinery in China. Fixed-point production of oil drilling equipment and accessories of the machinery plant, a total of more than ten thousand workers. Some of these backbone plants have nearly 30 years of professional production experience. In 1979 alone, more than 15,000 tons of various accessories, equipment and tools were produced. In recent years, in order to catch up with the world’s advanced level, we have carried out the “replacement” of some old products and produced a batch of more advanced new products. The petroleum machinery factory generally enhance the overall quality