Yueqing City ZIYONG electrical CO., LTD is specialized in manufacture Insulation Piercing Connecting (IPC). Our factory owns the most advanced technology. We have the ability to research and design IPC by ourselves. We absorbed the advanced experience from the foreign most advanced IPC and combine Chinese environment, According to the GB13140.4-1998, GB/T2317.3-2000 and DL/T765.3-2004, we manufacture the "JMA" series IPC. For exporting, it reach the standard of NFC33020, NFC33004 and NFC33003. For inland sells, it reach the DL/T765 standard. We also supply customize model, OEM. Among our fraternities our factory is the first enterprise that passed the general tests at WUHAN high voltage research institute state grid corporation of china. Quality of "JMA" series products have reached the advanced international level. It is much better than that of the others in china. Our factory insist on "made in china" as our responsibility. We only offer the best products in the market. "JMA" series products have been widely used in power system in various environment. It is proved that "JMA" series products can take the place of the imported IPC utterly in similar types. We also hope that we can receive the feedback messages from you on evaluating our products, offering your good ideas. Let us build up international quality in china together!