四方达：资源开采类产品能够广泛应用于陆地油田、海上油井的勘探与开采

Core Viewpoint - Sifangda has been deeply engaged in the superhard materials sector for over 20 years, focusing on the production of three main types of products: composite superhard material products for resource extraction/engineering construction, composite superhard material products for precision processing, and CVD diamonds [1] Group 1: Product Categories - The resource extraction products are widely applicable in land oil fields and offshore oil well exploration and extraction [1] - The precision processing products are utilized in high-precision component processing across various industries, including automotive, aerospace, rail transportation, and electronic information [1] - CVD diamonds are used in high-end advanced manufacturing and consumer sectors, including jewelry, precision tools, optical windows, chip heat sinks, semiconductors, and power devices [1]