Ningbo Yingsheng manufactures power plug inserts and audio/video plugs, specializing in seamless hollow brass-pin designs with VDE approvals.
Ningbo Yingsheng Import & Export Co., Limited is a manufacturer of power plug inserts, audio & video plugs, and related connectors and terminals. The company’s portfolio spans standard plug inserts and power plugs for multiple standards and regions, including Brazilian NBR, Europe & VDE, Korea KC, and other international plug insert types, alongside plug pins and parts.
A core specialty is the seamless hollow brass pin technology used in its hollow POWER plug inserts. The factory holds multiple invention patents for its hollow brass pin designs and supports both crimping and soldering pin solutions. Materials highlighted for production include H65 brass strips and G30 PBT, with a focus on compliance-oriented material selection.
Manufacturing capabilities emphasize automation, high-tech plating, and in-house mold development. The production setup includes continuous press punching equipment, automatic machine tools, and computer-controlled injection molding machines, complemented by an environmentally oriented professional electro-plating process. The company positions its quality around strong materials, proprietary techniques, responsive cooperation, and after-sales support.
Plug inserts are built around seamless hollow brass pins, supported by proprietary invention techniques and designed for reliable performance across different country standards.
Quality is supported through selected materials, proprietary techniques, and a commitment to dependable cooperation and after-sales service.
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