- pvc ball valve
- 2016-10-23 07:17
- 1.PVCballvalveshighworkingpressure:1/2"to4"150psi@73Fdegree.2.PVCballvalveslowtorque,easytooperate.3.PVCballvalvesqualit
- PVC Ball Valves
- 2016-10-23 03:19
- QinhuangdaohongyangplasticCo.,LTDisspecializedinrd,productionandsalesenvironmentalprotectionplasticpipingsystemofdomesti