Guangzhou XinYin Metal Products Co., Ltd. has been at the forefront of smart lock innovation since our founding in Guangzhou in 2013. As a certified National High-Tech Enterprise specializing in intelligent manufacturing, we engineer and manufacture premium complete smart door locks while maintaining full control over core precision metal components—including lock bodies, cylinders, faceplates, and handles. Our competitive strength lies in true vertical integration. From electronic module assembly to in-house precision manufacturing of all critical metal parts—through stamping, die-casting, CNC machining, surface treatment, and final assembly—every process occurs within our modern facility. This end-to-end control ensures superior quality consistency, reduces costs, and delivers rapid customization while securing supply chain resilience. To guarantee uninterrupted global supply, we operate a dedicated 10,760+ sq ft (1,000+ sqm) centralized warehouse that streamlines inventory management for raw materials, in-process components, and finished products. This infrastructure enables reliable order fulfillment with reduced lead times and enhanced delivery predictability. Our comprehensive compliance framework includes ISO 9001 certification, with rigorous quality controls embedded throughout R&D, material sourcing, production, and final inspection. This commitment to global standards guarantees safe, high-performance products that exceed industry requirements. Ultimate Goal: To serve as your strategic partner for advanced smart lock solutions. We combine integrated manufacturing, robust logistics, and certified quality systems to deliver custom-engineered products that maximize your competitive edge.