Yon Yu Eelectric is one of the leading NEMA locking plug
manufacturers and suppliers in Taiwan.

Operating under ISO 9001, our core products are certified
with UL (USA) and BSMI (Taiwan) standards.

Our brand LONG KUANG offers a wide range of NEMA
locking type products, such as plugs & receptacles,
cord connectors, switch, stainless cover,
fuse seat, terminal plate.

Backed by solid OEM/ODM expertise,
we deliver safe, durable, and certified electrical connectivity worldwide.