1,ISO,IEC certification 2,Pure PVC material 3,Delivery have 15days HDL-Arc-shape pvc trunking1,ISO,IEC certification2,Pure PVC material3,Delivery have 15days About my factory: we can provide different size,also we can according to client requirentment.In this field,we have experience fully,which 10years.With have QC Department,Purchase Department,Development Department,Production material control ...