1, ISO9001,IEC,KEMA etc. 2. OEM/ODM 3. Main material: porcelain Zinc oxide arrester (YW,HYW,TYPE)1. YW,HYW,type 2. Main material: porcelain3. OEM/ODM4. ISO9001,IEC,KEMA etc. standard 5. Safe usage, Favorable price6. Lightning arrester rated voltage:110 KV7. Technology Parameter as following table:Note: Please add an "H" before th spec,in the above table of composite organic housing zinc oxide ...