Certified with the ISO 9000 series! Overwhelming quality assurance capability and analytical power!
Tohto Spring Co., Ltd. is a comprehensive manufacturer of precision springs, producing a wide range of products including coil springs, flat springs, precision pressed parts, and spring washers. Since obtaining ISO 9000 series certification in October 1999, we have been committed to strengthening our quality assurance system, engaging in daily improvement activities, and striving to enhance customer satisfaction. 【Quality Policy】 1. Creating products that we can guarantee 2. Creating products that satisfy our customers 3. Expanding the circle of improvement with everyone's participation We are dedicated to daily quality improvement in accordance with our quality policy. *For more details, please refer to the PDF document or feel free to contact us.
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Since our establishment as a specialized manufacturer of spring washers, we have always focused on the next era, prioritizing the accurate response to the diverse needs of our customers across various fields, and have continuously committed ourselves to reforming our corporate structure. Of course, we aim to satisfy our customers in terms of quality, price, and delivery time. Rather than simply producing and supplying springs, we aspire to deliver a total package of all services surrounding springs, including quality assurance and technical cooperation, providing our customers with "value."
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