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Free shipping on orders over 3000 yen (excluding tax)!!
Since November 2016, shipping is free for orders totaling 3,000 yen (excluding tax) or more. It has become more convenient to make bulk purchases, so please take advantage of it.
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Notice of TRYspring Price Reduction
For TRYspring's compression coil springs, tension coil springs, torsion coil springs, and circlips, we have offered a 20% discount on the unit price for 1 piece, a 10% discount for 5 pieces, and a 5% discount for 10 pieces.
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Notice of DAI spring price reduction
We have made a significant price reduction of up to 30% on the powerful springs for molds, "DAISPRING."

Aboutソテック
Because it is a direct sale from a spring manufacturer, Sotec offers "high quality," "a wide variety," and "low prices." All the "springs" sold by Sotec are manufactured by its own group.
Sotec Co., Ltd. is a mail-order company founded in 1947, known for its reliability and achievements as Daido Spring Co., Ltd. We offer standard springs called "Tri-Spring" and strong rectangular wire springs known as "Die-Spring." The Tri-Spring includes over 15,000 types of standard springs such as compression springs, extension springs, torsion springs, and circlips. The Die-Spring is a rectangular wire spring that generates strong force in a small space and is utilized in various fields, including machinery, tools, and press machines, taking advantage of its unique characteristics. Both types can be ordered from a single piece and are shipped on the same day. For bulk orders, if you provide us with your annual usage numbers, we can offer you the best prices and contribute to cost reduction. Additionally, we are open to consultations regarding custom products, prototypes, and mass production that are not available as standard items.