Sino-Ocean Marine has newly received a large number of main engine piston rings. Cu/Alu coated piston rings, ceramic piston rings, and ceramic/Cr plated piston rings for the low – sulfur – oil era are available in domestic stock for spot sales! The brands are applicable to MAN B&W, and the models cover K98MC-C, K90MC-C, K80MC-C, S70MC, S60MC-C, S50MC-C, S46MC-C, S42MC, S35MC. Stock is available on the spot, and better prices are offered for larger quantities. Inquiries are welcome!!

| Applicable models | Piston ring specifications |
| S35MC/ S35MC-C/S35MC-MK7/S35ME-B | 350*9.5*12.7(POP Ring) |
| 350*8*12.7 | |
| S42MC/ S42MC-C/S42ME-B | 420*11*14.7 (POP Ring)/(CPR) |
| 420*8*14.7 | |
| S46MC-C/S46ME-B8 | 460*12*16.2 (POP Ring)/(CPR) |
| 460*9*16.2 | |
| S50MC/S50MC-C/S50ME-B/G50ME-C | 500*12.5*17.2 (POP Ring)/(CPR) |
| 500*9.5*17.2 | |
| S60MC/S60MC-C | 600*14*20(CPR) |
| 600*11*20 | |
| G60ME-C9.2-TII | 600*14*20 (Cermet Alu-C Cr GT CPR)/(Cermet POP Ring) |
| 600*11*20 (Cermet/Alu-Coat Cr Compr ring) | |
| S70MC/S70MC-C | 700*16*23(CPR) |
| 700*12*23 | |
| K80MC-C | 800*18*25(CPR) |
| 800*14*25 | |
| K90MC-C | 900*19.5*28 (Cermet+Alu) |
| K98MC-C | 980*22*30.5 (Cermet PM80 + Alg-coat B) |
| 980*16*30.5 (Left Cermet PM80 + Alu-coat groove4 B/Right Alu-coat T) |






In addition to the above coated piston rings, we also stock a certain number of uncoated piston rings, covering the mainstream models in the list below. The list of uncoated rings is on sale at a special price, as follows:
| Applicable models | Piston ring specifications |
| S35MC | 350*9.5*12.5 |
| 350*8*12.5 | |
| S46MC-C | 460*12*16 |
| 460*9*16 | |
| S50MC | 500*12.5*17 |
| S60MC/S60MCE/S60MC-C | 600*14*20 |
| 600*11*20 | |
| S70MC | 700*16*23 |
| L42MC | 420*11*14.5 |
| 420*8*14.5 | |
| L50MC | 500*12.5*17 |
| 500*9.5*17 | |
| L60MC/L60MCE | 600*14*20 |
| 600*11*20 | |
| L70MC/L70MCE | 700*12*23 |
| 700*16*23 | |
| L80MC/L80MCE | 800*18*25 |
| 800*14*25 |

Qinhuangdao Sino-Ocean Marine Equipment & Machinery Co., ltd was founded in 1995, which has always been dedicated to providing professional one-stop services for the maritime industries. Till today SINO-OCEAN MARINE has grown into a comprehensive enterprise which gathered equipment & spare parts supplying, manufacturing, ship repairing, technical supporting, shipbuilding equipment supplying together.Abundant stock, strong technical support, efficiency service team, professional experience!Believing, Sino-Ocean will always be your reliable marine equipment & spare part specialist!
