Kunshan Kensetsu Buhin Co., Ltd.

About Us

"KTSU" is the abbreviation of our company name (Kunshan Kensetsu Buhin Co., Ltd.). The name is from Kensetsu Buhin Japan which was set up in 1954 by Mr.Tsuchiya who was the father-in-law of Mr.Doi. He brought KTSU brand and his technical team to China. As Mr.Doi’s best friend in China, Zou invested the facilities and cash to start up the joint venture in 2003. We are specializing in the undercarriage parts for construction and agriculture machinery. Our main products include Track Roller, Carrier Roller, Front Idler and Sprocket applied to hydraulic excavator, bulldozer, paving machine and agricultural machine, a great variety with over 3000 items. Our company is located in the Economy and Technology Development Zone of Shipai, Kunshan City, Jiangsu Province, China, 50 km away from Shanghai. It covers an area of 70,000 sq. meters, in which 45,000 sq. meters are building area. Its traffic and transportation are very convenient and it enjoys exceptional advantages of economic and geographical conditions. Our company has taken more than 40 years of technical and management experience in manufacturing rollers from Japan. In accordance with the granted Quality Managements System ISO9001 and Environmental Management System ISO14001, with its fine design, well-manufactured for high quality, perfect management and satisfactory for customer, our company is focusing on providing technical support and service for customer, concentrating on manufacturing the first-class international standard spare parts of construction machinery. With its own brand “KTSU”, our company has succeeded in competitive market and has good reputation in a large number of customers domestically and internationally. Our products have been exported to more than 40 countries and regions of the world.

About Us

Production capacity for rollers per month


Production capacity for track chain per month


Over 5000 employees.


Over 70,000 square meters.


Building area over 45,000 sq.m.


Exported to more than 40 countries

Production Process

Composed by two pieces of forged semi-roller shell,the entire roller shell is welded by NITTO friction welding machine,CO2 automatic welding &Robot welding.The ideal surface hardness with depth hardness of roller shell ensures the high-quality and service life of the products. Processed by NC lathes and CNC machines ensure the overall accuracy and stability of dimension for products. Careful assembly process with hign-quality and reliable floating seal group achieve the perfect sealing and lubrication rotation of roller. Strict checking air-pressure-tightness and load-bearing rotation insure all the products with high-quality and reliability.

Our Sales Network


Get In Touch With Us

If you are interested in our company or products, welcome to contact us. We will reply to you as soon as possible and provide professional quotation and consulting services. Please fill in the form, tell us your needs and contact information, or call us directly. We look forward to working with you!

Tel: +86-512-5768 7888 Tel: +86-512-5768 7888

Fax:+86-512-5768 8968 Fax:+86-512-5768 8968

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Company Add:  168 Xiangshi Road, Shipai Development Zone, Kunshan City, Jiangsu Province, China. P.C : 215312 Company Add: 168 Xiangshi Road, Shipai Development Zone, Kunshan City, Jiangsu Province, China. P.C : 215312

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