Production bases

NPR of America, Inc. Michigan Manufacturing Plant

Address	11118 US31 Highway, Building B, Grand Haven, MI 49417, USA
Tel	+1-616-296-9365
Fax	+1-616-296-9373
Line of business	Production and sales of valve seat inserts

NPR of America, Inc. Kentucky Manufacturing Plant（Head office and Plant）

Address	680 Wilson Parkway, Bardstown, KY 40004, USA
Tel	+1-502-350-9270
Fax	+1-502-350-9271
Line of business	Production and sales of steel piston rings

NPR Auto Parts Manufacturing(Yizheng) Co., Ltd.(NAMY)

Address	6＃Lianzhong Road, Yizheng Automobile Industrial Park, Yizheng, Jiangsu 211400, China
Tel	+86-514-8342-9700
Fax	+86-514-8342-9711
URL	https://www.namy.cn/
Line of business	Production and sales of piston rings. valve seat inserts, cylinder liners and other products.

PT.NT Piston Ring Indonesia (NTRI)

Address	Suryacipta City of Industry, Jl. Surya Madya II Kav. Ｉ-27A Ciampel-Krawang, Jawa Bratat-Indonesia 41363
Tel	+62-267-440457
Fax	+62-267-440182
Line of business	Production and sales of steel piston rings and valve seat inserts for vehicles and land and marine equipment

PT.NPR Manufacturing Indonesia (NPMI)

Address	Jl.Rembang Industri II No.24Kawasan Industri PIER-Pasuruan Indonesia 67152
Tel	+62-343-740-215
Fax	+62-343-740-217
Line of business	Production and sales of cast iron piston rings and camshafts

SIAM NPR Co., Ltd. (SNPR)

Address	88 Moo 2, Srangsoak, Banmoh, Saraburi 18130, Thailand
Tel	+66-3634-0201
Fax	+66-3634-0200
Line of business	Production and sales of valve seat inserts

IP Rings Ltd. (IPR)

Address	D 11/12, Industrial Estate, Maraimalai Nagar, Tamil Nadu, India-603 209.
Tel	+91-44-27452816
Fax	+91-44-27452560
Line of business	Production and sales of Piston Rings.

NPR Auto Parts Manufacturing India Pvt. Ltd. (NPRI)

Address	Plot No.6-O to 6-P, Malur Industrial Area, 4th Phase Hulimangala Hosakote Village, Lakkur Hobli Malur TaluK, Kolar-563101, Karnataka INDIA
Tel	+91-9482-302765
Fax
Line of business	Production and sales of valve seat inserts

NPR ASIMCO Powdered Metals Manufacturing (Yizheng) Co., Ltd.

Address	18# Kangmin Road, Yizheng Automobile Industrial Park, Yizheng, Jiangsu,China (211400)
Tel	+86-514-8390-2100
Fax	+86-514-8390-2126
URL
Line of business	Production and sales of valve seat inserts