履带挖掘机  制造商、经销商、供应商

Shandong Lingong Construction Machinery (SDLG), first established in 1972, is a leading international manufacturer of construction machinery, and the national-level high-tech company. SDLG produces more than 100 kinds of products in three categories, namely, loaders, excavators and pavement construction machinery. Its pillar products are rated as China Famous-brand Product and Famous Trademark of China. SDLG has received many honorary titles including China’s Top 100 Enterprises in Machinery Industry, Leading Enterprise in the Industry, Credible and Reputed Enterprise, Single-item Champion Demo Company in Manufacturing Industry, National Labor Medal, Governor Quality Prize, National Quality Award in Machinery Industry, National Quality Prize, Asia Quality Excellence Prize,EFQM Global Excellence Award and National Quality Benchmark Company, etc.
SDLG, maintaining sound partnership with leading universities and research institutes in China, has established the open and efficient system for technological cooperation and innovation. It has established the national-level technical center and Post Ph.D. work station. It undertakes a few R&D tasks in China’s 863 Program and those above the provincial level, obtaining more than 290 national patents.

Founded in 1992, Zoomlion Heavy Industry Science & Technology Co., Ltd. is mainly engaged in the R&D and manufacturing of construction machinery, agricultural machinery and other high-tech equipment and new construction materials. Over three decades of innovative development, Zoomlion has gradually grown into a global enterprise, with the key products covering 18 categories, 106 product series, and 660 varieties. Zoomlion has been listed in Shenzhen and Hong Kong stock markets, becoming the first company in the industry to be listed in both markets.

三一集团成立于1989年，现已成为一家追求“建设一流企业、培养一流人才、为社会做出一流贡献”愿景的跨国公司。自成立以来，SANY一直致力于打造全球品牌，成为行业领先的设备制造商。
三一重工的核心业务是重型工程设备的设计、制造、销售和支持，涵盖全系列产品，包括混凝土机械（泵车、搅拌车、拖车泵、配料设备）、土方机械（挖掘机、装载机）、起重机械（轮式起重机、履带式起重机、塔式起重机）、道路机械（土壤压实机、平地机、摊铺机）、打桩机械（旋挖钻机）、港口机械（集装箱龙门起重机、移动式港口机械）、石油钻井机械、采矿机械（采矿卡车、掘进机）、风力发电系统、预制设备和新型光伏电站。
通过收购德国领先的混凝土机械制造商普茨迈斯特，三一混凝土机械连续17年位居全球第一。在土方设备方面，三一挖掘机的销售收入超过30亿美元，并继续快速增长。三一集团的矿山机械、打桩机械、起重机械、港口机械和自卸卡车都是中国出口销售的领头羊。
2022年，三一重工海外销售额创历史新高，超过60亿美元。同时，三一重工被《麻省理工科技评论》评为“50家最聪明的公司”之一。三一集团连续第十二年被《福布斯》评选为“最佳雇主”，并被《财富》杂志评为“最受尊敬的中国公司”之一。此外，三一集团董事长梁稳根先生获《财富》杂志评选为2022年「中国50位最具影响力商界领袖」之一。
三一集团在中国、美国、德国、印度、巴西和印度尼西亚经营着13个制造综合体。我们的销售和服务网络覆盖150多个国家和地区。三一集团有三家上市公司：在上海证券交易所上市的三一重工和三一再生能源，在香港证券交易所上市的三一国际发展有限公司。
坚持“质量改变世界”的使命，三一重工将年收入的5%左右用于研发。在技术开发方面，三一重工共申请专利13，694项，其中已授予专利10，613项。三一有三个国家博士后研究中心、两个国家企业技术中心和一个国家认可的测试中心。