每一粒麦子都承载着一段历史，但谁会倾听？
我们以为我们有这么多问题。我们怎么知道我们是幸福的？
In the stone industry, every block tells a story—our job is to extract it responsibly and thoughtfully.
Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.
