WINSING is proficient in door lock manufacturing, widely used in residential and commercial industry. In 1998, WINSING was founded to produce lock component then develop OEM brand gradually. So far, WINSING has over 8 years OEM experience of supplying to China domestic company and exporting to global market. Focus on safety and durability, it is WINSING€™s guideline of maintaining quality of per lockset. From stamping / punching to assembly, most of the components are capable produced, the selectable finishes based on own polishing workshop or other plating plant. Every step is tested by QC.Regard to products, almost of them are reaching ANSI Grade 3 standard, some even Grade 2 level. Tubular structure series with knob & lever lockset, Deadbolt series with single & double cylinders, Combo lock series, these are favored by America, Russia, Oceania distributors. Yet, South-Asian and South American customers prefer cylindrical knobset series. WINSING-LOCK expects to long-term cooperation with you, providing better products , sincere service, shorter lead time, competitive price, in order to be suitable for your needs.