| Ort der Herkunft |
Sichuan China (Mainland) |
| Marke |
Greatwall |
| Modell-Nummer |
customized |
| Standard |
nein |
| Stil |
O-Ring |
| Material |
Gummi |
Patent products designed by the company, improving Glyd rings and Step seals significantly by replacing pressure compensating o-ring with u-ring and changing single sealing line into multiple sealing lines, resulting in no leakage under high/low pressures at a line speed below 8m/s.