| E-mail: | ostcore@163.com |
| ostcore@yahoo.com |

| 型号 | A(mm) | B(mm) | C(mm) | D(mm) | E(mm) | F(mm) | I(mm) | Le(mm) | Ae(mm2) | Ve(mm3) | C1(mm-1) | Weight(g) |
| EI40 | 40.2±0.7 | 27.3±0.3 | 11.75±0.25 | 11.75±0.25 | 27min | 21.35±0.35 | 7.5±0.3 | 77.87 | 147.89 | 11515.9 | 0.5265 | 58 |
| EI35 | 35±0.8 | 24.4±0.3 | 10.2±0.3 | 10.0±0.3 | 24.5min | 18.3±0.3 | 5.0±0.3 | 68.2 | 107 | 7298 | 0.637 | 38 |
| EI33 | 33±0.5 | 24.2±0.3 | 12.75±0.25 | 9.7±0.3 | 23.8min | 19.25±0.3 | 5.0±0.2 | 67.43 | 125.63 | 8471.88 | 0.5367 | 42 |
| EI30 | 30.0±0.5 | 21.75±0.25 | 10.7±0.3 | 10.7±0.3 | 19.8min | 16.8±0.3 | 5.5±0.3 | 58.72 | 112.64 | 6613.79 | 0.5213 | 36 |
| EI28 | 28.0±0.5 | 17.0±0.2 | 10.75±0.25 | 7.2±0.3 | 18.6min | 12.4±0.25 | 3.9±0.2 | 48.76 | 91.56 | 4464.04 | 0.5325 | 22 |
| EI25 | 25.0±0.4 | 16.4±0.2 | 6.6±0.3 | 6.6±0.2 | 18.6min | 13.2±0.3 | 3.0±0.15 | 48 | 42.35 | 2032.98 | 1.1334 | 10 |
| EI22 | 22.0±0.4 | 15.3±0.2 | 5.75±0.25 | 5.75±0.25 | 15.6min | 11.3±0.3 | 4.0±0.2 | 42.88 | 40.08 | 1718.76 | 1.0699 | 9 |
| EI20 | 20.0±0.3 | 13.9±0.3 | 4.85±0.25 | 4.85±0.25 | 14.6min | 11.3±0.3 | 2.4±0.2 | 40.21 | 24.54 | 986.79 | 1.6385 | 5.3 |
| EI19 | 19.2±0.3 | 13.7±0.3 | 4.8±0.3 | 4.8±0.25 | 14min | 11.3±0.3 | 2.4±0.2 | 38.85 | 25.98 | 1009.15 | 1.4954 | 5.6 |
| EI16 | 16±0.4 | 12.4±0.3 | 4.8±0.3 | 4.0±0.3 | 12.0min | 10.3±0.3 | 2.1±0.2 | 34.2 | 23.3 | 796.86 | 1.47 | 4 |
| EI12.5 | 12.5±0.3 | 7.4±0.3 | 5.0±0.2 | 2.4±0.2 | 9.1min | 5.1±0.2 | 1.5±0.15 | 21.22 | 15.07 | 319.89 | 1.4081 | 1.7 |