The business range of RDT covers bearings, special steel pipes, permanent magnet, tires and wheel hydraulic excavator. RDT and its subordinate factories rely on the advanced research and development (R&D) capability, are guided on management philosophy of the product differentiation, root on the superior product quality to upgrade and alter traditional industries and related products utilizing newest technology. RDT offers the similar and even more updated design and quality, however provides more competitive prices.