Detailed Prouduct Description 1. Piston ring, CUMMINS piston ring 2. Management: ISO 9002, TS/16949 3. Material: Ductile Iron 1. Production description: Piston ring, CUMMINS piston ring, CUMMINS 6CT piston ring 2. Something about our corporation CHINA FP AUTO PARTS CO., LTD& Guangzhou FP Piston Ring Co., Ltd. We are a professional manuafacturer of piston ring for more than 10 years. Our products ...