Nobunori Tsuda

Nippon Piston Ring Co., Ltd. engages in the manufacture and sale of automobile parts. It operates through the following segments: Automotive Products, Marine and Other Products; and Others. The Automotive Products segment deals with the manufacture and sale of automobile engine parts. The Marine and Other Products segment involves in the manufacture and sale of marine engine parts and equipment parts for home air conditioning unit. The Others segment offers sale of products and manages shipping and welfare facility business. The company was founded by Tomonori Suzuki in April 1931 and is headquartered in Saitama, Japan.

Part of NPR-RIKEN Corp., NPR Singapore Pte Ltd. is a company that wholesales piston rings, cylinder liners, valve seats, and camshafts. NPR Singapore Pte Ltd. is based in Singapore, Singapore.