Senju Metal Industry Co., Ltd. was founded in the year 1938. We have been manufacturing solder, soldering machinery and bearing and bushing that are vital for electronics and automotive industries.

Our principle to “deliver outstanding and meaningful products to the world” has been at the core of product engineering and innovation to fulfill demanding requirements of cutting-edge frontiers. We have built SMIC brand by winning trust and faith, and even high expectations from customers through providing engineering know-how and products that we have grown over many years.

In 1996, we pioneered the development of the industry's first environmentally friendly lead-free ECO SOLDER M705. We continued our effort by releasing lead-free bearing and bushing in 2008, high precision Micro Soldering Balls in 2009, and high-strength lead-free solder for automobiles M53 in 2011. We are offering a very wide range of products empowering customers to “choose by purpose” for the industry trends for high quality, low cost, low temperature, 3D integration, high functionality and high‐density packaging.