Company Profile

Dao Siang Industrial Co., Ltd., founded in 1986 in Taichung, Taiwan, is a precision metal components manufacturer specializing in CNC turn-mill composite machining. Since introducing Swiss-type CNC machining in 1993, Dao Siang has built over 30 years of experience in precision manufacturing and is certified under the ISO 9001 quality management system. We provide OEM manufacturing services for industries including bicycles, automotive, electronics, fiber-optic connectors, pneumatic components, and precision motor shafts.

We specialize in high-precision, multi-feature components that require tight tolerances, process integration, and consistent quality in mass production. To support evolving product designs, we continuously invest in advanced machining equipment, precision inspection systems, and integrated secondary processes such as surface treatment, heat treatment, grinding, blasting, plating, and laser processing. This enables us to deliver reliable one-stop manufacturing solutions while reducing production risk and coordination complexity for our customers.

By implementing ERP, MES, SPC, and MSA systems, we have established a data-driven and fully traceable manufacturing environment, ensuring stable processes, consistent quality, and dependable delivery performance. At Dao Siang, quality is not limited to inspection—it is embedded throughout design, manufacturing, and management. Guided by integrity, professionalism, and long-term partnership, we are committed to being a precision manufacturing partner our customers can trust.