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Our company mainly produces timing socket, wire and cable, wire reel, lamps and steel pipes. At present, our company has obtained VDE/CE/GS/S/D/FI/N/ROHS/REACH and other related certifications.

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Our company mainly produces timing socket, wire and cable, wire reel, lamps and steel pipes.

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  • What are the most common failure modes of indoor PVC extension cords

    Indoor PVC extension cords are common flexible connectors in everyday electrical systems. Due to their complex operating environments, frequent mechanical stress, thermal loads, and misoperation, they are prone to specific failure modes. Mode 1: Conductor Breakage and Poor Contact (Open Circuit Failure) This is the most common failure mode of mechanical fatigue and electrical degradation in PVC ex...

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  • What flame retardancy test standards do indoor PVC extension cords usually need to pass

    Indoor PVC extension cords, used as temporary power supplies in homes and offices, require flame retardancy as a key element in ensuring electrical safety. Qualified extension cords must effectively suppress flame spread and automatically extinguish upon contact with a fire source to prevent the spread of fire. Extension cords using PVC (polyvinyl chloride) as both jacket and insulation material, ...

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  • Invitation from Zhejiang Shuangyang Group Co., Ltd.

    We are pleased to announce that Zhejiang Shuangyang Group Co., Ltd. will participate in the 2025 Hong Kong Autumn Electronics Fair and the Canton Fair. We sincerely invite all our new and long-term partners to visit our booths and discuss potential cooperation. At the Hong Kong Electronics Fair, our booth number is GH-D09/11, and at the Canton Fair, our booth number is 15.2C36-37/D03-04-05. Founde...

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  • What is the wire stripping length tolerance in power plug wiring

    In the manufacturing and repair of power plugs, wire strip length tolerance is a crucial technical specification. It directly impacts the reliability, long-term safety, and lifespan of the electrical connection. Strict control of wire strip length is not only necessary to comply with industry standards but also fundamental to preventing serious electrical failures such as short circuits and poor c...

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  • How to ensure the correct preload force of the seal during the assembly process

    In industrial fluid systems, especially those involving high pressure, high temperature, or critical applications, the quality of assembly plugs or pipe fittings directly determines the safety and reliability of the system. Ensuring the correct preload on the seal is a crucial technical step in the assembly process. Proper preload is crucial for achieving a long-term, leak-free seal. It effectivel...

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