SINWOO PRECISION Co., Ltd. had a success in developing most durable TBM / SHIELD head cutters and bits in cooperation with Small & Medium Business Administration of Korea to meet the stratum of Korea considered as the extremely difficult one in the world.

Our products have been strictly testified in many projects and proved to have better quality compared with worldwide-qualified ones. We have replaced imported ones in Korea market with our products thanks to the reduction of total project cost in addition to its reliability with our products.

We have almost all Korean market shares in this field and we are successfully performing the projects in many construction sites such as electricity, communication, gas pipeline, the discharge pipe of drain, etc. Also we entered into Japan and Singapore market successfully and proved to be best ones with the way of cost reduction in the projects in addition to its reliability

We can offer TBM / Shield head cutters, bits and the relative spare parts in your projects of tunnelling and underground construction if your are seeking for economic and reliable way.