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Zhongshan KAIYING offers a wide range of ANSI Grade 3 certified products, including knobsets, leversets, and deadbolts, backed by 11 years of experience and stringent quality control.

Our product portfolio includes a diverse range of tubular and cylindrical knobsets, leversets, deadbolts, and door lock accessories, catering to a wide variety of customer needs.

With over 150 experienced professionals, most of whom have 5-10 years of industry experience, we ensure every order is delivered on time with exceptional quality and quantity.

Backed by 32 advanced technology patents, our in-house R&D and testing laboratory allow us to constantly innovate and ensure the durability and performance of our products.

Our products undergo strict quality inspections at every stage of production, from raw material processing to final assembly, guaranteeing consistent high-quality standards.

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