Henan Hawei Heavy Industry Technology Co., Ltd. specializes in the impact compaction and hydraulic compaction industries, with brands such as "Hawei", "Shandao", "Luoji" and wholly-owned subsidiaries under its umbrella. Hawei Heavy Industries and its subsidiaries are professional manufacturing companies that integrate scientific research and development, production and manufacturing, and business sales. They are among the earliest established enterprises in the industry, with strong production capabilities and strong technological accumulation; The company's headquarters is located in Zhengzhou, Henan Province. Zhengzhou Yutong Heavy Industry (formerly Zhengzhou Engineering Machinery Factory) is the drafting unit of the "National Standards for Impact Rollers" and "National Standards for Impact Rolling Construction". Hawei Heavy Industry (Yutong Heavy Industry's original team for impact compaction) provides a large number of 380 horsepower tractors, impact rollers, and high-speed hydraulic compactors for the road construction industry. Its sales network, radiating from multiple dealers in multiple cities, occupies a high market share of domestic impact rollers.