We are specialty on epoxy resin medium voltage and high voltage components, such as 12KV, 24 KV , 36KV and 40.5KV switchgear bushing , contactor box , insulators , transducers . 630A, 1250A ,2500A , 3150A and 4000A contactor box , club contact , fix contact, arm contact and jaw contact . 630A and 1250A VS1 circuit breaker . 630A and 1250A ZN85-40.5 circuit breaker . 12KV and 24KV earth switch. KYN28A-12 and KYN61 high voltage switchgear components!