| 出生地 |
Jiangsu China (Mainland) |
| 牌子的名字 |
Jiang Yang |
| 模式的数量 |
JYTH |
| 使用 |
工业 |
1.Material—— 60Si2MnA,carbon steel wire, stainless steel wire,50CrVA,55CrSi etc. 2. Wire diameter -——0.3CM 80CM 3. ISO9001-2000 certificate. 4. Heating treatment ——we have strict requirement on heating treatment, small spring use automatic mesh tempering furnace heating treatment, big spring through advanced instrument turntable tempering furnace treatment. 5. Surface treatment ——zinc, gold, silver, copper, blac…