- copper buffer tube
- 2016-10-25 01:11
- Copper buffer tube1.The material of this buffer tube is copper2.Service fluid: water,oil,gas3.Maximum working temperatur
- Frozen ball valve
- 2016-10-23 03:48
- Frozenball valve(GBV types)Main materialHpb 59-1 BrassT2 Copper TubeFeatures1. Applied to air-condition and many kinds o