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Welcome to the official homepage of Shinwa Rules Co., Ltd.!


Scam emails seemingly sent from Shinwa Rules Co., Ltd.
Some of our customers overseas have reported that they received scam emails. The sender pretends to be a member of Shinwa Rules Co., Ltd.
Please be cautious and check if emails are from our sales representitives whom you have known. If they are not sent from our sales representitives, simply delete them.

October 9, 2020
New English General Catalog released!
Get our latest catalog HERE.

April 1, 2020
New product brochures
Taper Gauge ABS Resin 1 - 15 mm White
Precision Square with Base JIS Grade 2 Comparable
New product page HERE.
Welcome to the official website of Shinwa Rules Co., Ltd. We are the leading manufacturer of measuring instruments, with the largest share in Japan in the field of metallic rulers. We manufacture our flagship metallic rulers as well as a variety of other measuring instruments, and provide them around the world through our distributors. Our products are mainly used for measuring building materials in the construction industry, and are highly regarded by builders for their excellent design and user-friendly functions. Furthermore, many professionals working in manufacturing plants and inspection institutions are satisfied with the durability of our products under harsh environments.

For over 50 years, we have grown steadily by working on the development of new products, enhancement of product quality, and production efficiency to meet diverse global market demands. As a result, the sales volume of our metallic rulers has become No.1 in the Japanese market for measuring instruments. In recent years, we have been receiving many business inquiries from customers from outside of Japan and we are now rapidly expanding our business in overseas markets.

We encourage our employees to work in accordance with the following three fundamental principles: We impart these values to our talented employees and foster a corporate culture emphasizing the importance of serving our valued customers with kindness and consideration. Shinwa Rules Co., Ltd. always values customers' opinions, which is one of the reasons for our many satisfied, long-term customers. We hope to serve even more customers around the globe and meet their needs for measuring activities. Please feel free to contact us with any inquiries, questions, comments and consultations. Our customer service representatives will be happy to assist you.
Thank you very much for visiting Shinwa Rules Co., Ltd.'s official website.
Please refer to our website again for more developments as well as product updates.