About SHANDONG DIAMOND HEAVY INDUSTRY MACHINERY CO., LTD SHANDONG DIAMOND HEAVY INDUSTRY MACHINERY CO., LTD is an official and authorized manufacturer for the CAT / CATERPILLAR brand, specializing in the design, development, and production of high-quality heavy machinery and equipment. As a trusted partner of CATERPILLAR, our company strictly adheres to the global quality standards, manufacturing processes, and technological specifications established by the CAT brand. Every product that carries the CAT name is built with precision, durability, and performance in mind—ensuring reliability in the most demanding working conditions around the world. Our factory is equipped with advanced production lines, cutting-edge testing facilities, and a professional R&D team dedicated to continuous innovation and improvement. Through close technical cooperation and quality control systems aligned with CATERPILLAR’s global requirements, SHANDONG DIAMOND HEAVY INDUSTRY MACHINERY CO., LTD ensures that every unit meets the highest standards of excellence. With a strong commitment to customer satisfaction, product integrity, and sustainable manufacturing, we are proud to contribute to the continued success and reputation of the CAT / CATERPILLAR brand worldwide.