Jiangsu Yizn Electronical Co., Ltd. is a professional supplier and have 20 years of experiences manufacturing electronic connectors and adaptors.Jiangsu Yizn Electronical Co., Ltd. is a ISO 9001:2000- and ISO 14001:***** ensure of our best quality, we have introduced adavanced test equipments, such as vtor network analyzers, layer-thickness meters and X-ray fluorescence spectrometers. All of our goods comply with the ROHS directive. Ec. For more, you can click our we website: *****