(Sino foreign joint venture) Ningbo Songle relay Co., Ltd. is a super small electromagnetic relay manufacturing company with a history of more than 20 years. The products produced by the company have passed the safety certification of "UL" of the United States, "TUV" of Germany and "CQC" of China, and won the "IECQ" certification of electronic component manufacturer of International Electrotechnical Commission. Under the guarantee of ISO9001 quality system, all kinds of relays provide customers with high-quality products...