| 出生地 |
Hebei China (Mainland) |
| 牌子的名字 |
Qirun |
| 模式的数量 |
QR-301Y-700 |
This kind is of thick-thin tube. Sampling mould: QR-30-001 (Dia.:30mm*12mm) Quartz tube: 8.8mm*25mm Inside gossan Dia.: QR-C(Dia.: 10.2mm) Outside gossan Dia.: QR-E Deoxidation aluminum foil: 0.3g Thick tube length: 140mm (Inside Dia.: 37.8mm) Thin tube length: 700mm (Inside Dia.: 18.2mm)