| Range of Dimensions | 15mm ≤ Seat Diameter (ΦD) ≤ 120m | |
| 4mm ≤ Stem Diameter (Φd) ≤ 25mm | ||
| 45mm ≤ Length (L) ≤ 450mm | ||
| Shape of Stem End |  | |
| Material Choice | Structural Steel, Martensite Steel, Austenite Steel, Nickel-chromium Alloy, Titanium Alloy and Alloy Powder | |
| Special Technic | friction welding of Bi-metal, plasma welding resurfacing on valve cone or stem terminal, plate welding on stem terminal and sodium-filling in hollow stem | |
| Exterior Treatment | soft nitridation, chromium plating, micro-finish, composite treatment of nitridation and chromium plating, and PVD coating | |
| Detection & Inspection Method | Automatic video measurement, ultrasonic detection, Fluorescent detection, magnaflux inspection and sealing inspection | |
| Application | Heavy-duty engine, race engine and common passenger car engine | |
| Packing | Neutral packing if not specified particularly | |
| Warranty | 12- month | |
| Product advantage: | ||
| 1) Strictly tested in our test center before shipping | ||
| 2) High precision dimensions and reliable quality | ||
| 3) Prompt delivery | ||
| 4) Directly replaceable with OE product | ||
| Range of Dimensions | 15mm ≤ Seat Diameter (ΦD) ≤ 120m | |
| 4mm ≤ Stem Diameter (Φd) ≤ 25mm | ||
| 45mm ≤ Length (L) ≤ 450mm | ||
| Shape of Stem End | | |
| Material Choice | Structural Steel, Martensite Steel, Austenite Steel, Nickel-chromium Alloy, Titanium Alloy and Alloy Powder | |
| Special Technic | friction welding of Bi-metal, plasma welding resurfacing on valve cone or stem terminal, plate welding on stem terminal and sodium-filling in hollow stem | |
| Exterior Treatment | soft nitridation, chromium plating, micro-finish, composite treatment of nitridation and chromium plating, and PVD coating | |
| Detection & Inspection Method | Automatic video measurement, ultrasonic detection, Fluorescent detection, magnaflux inspection and sealing inspection | |
| Application | Heavy-duty engine, race engine and common passenger car engine | |
| Packing | Neutral packing if not specified particularly | |
| Warranty | 12- month | |
| Product advantage: | ||
| 1) Strictly tested in our test center before shipping | ||
| 2) High precision dimensions and reliable quality | ||
| 3) Prompt delivery | ||
| 4) Directly replaceable with OE product | ||
