With over 16 years of manufacturing experience, we specialize in producing high-quality front door lock for residential and commercial door applications. Our products are supplied to customers across North America, including distributors, hardware brands, builders, and project contractors.

From material selection to polishing, assembly, and final inspection, every production step is carefully managed to ensure stable quality and long-term durability.

MANUFACTURING PROCESS

  • Ⅰ. Raw Material Preparation

    High-quality brass, zinc alloy, stainless steel, or steel materials are selected based on product requirements.

  • Ⅱ. Die Casting / Stamping

    Lock bodies and handle components are formed through die casting or stamping processes.

  • Ⅲ. CNC Machining

    Key parts are processed with CNC machines for accurate dimensions and stable fitting.

  • Ⅳ.Drilling & Tapping

    Holes and threads are processed for lock assembly and door installation.

  • Ⅴ.Polishing

    Product surfaces are polished to achieve a smooth and clean finish.

  • Ⅵ. Surface Finishing

    Different finishes are applied for appearance and corrosion resistance.

  • Ⅶ. Lock Assembly

    Lock mechanisms, cylinders, handles, and accessories are assembled together.

  • Ⅷ. Function & Quality Testing

    Each lock is tested for smooth operation, durability, and quality consistency.

  • Ⅸ. Packaging & Shipping

    Finished products are packed according to customer requirements before shipment.

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WHY CHOOSE OUR FRONT DOOR LOCK

  • Stable Quality Control: Each lock is strictly inspected before shipment, including surface finish, dimensions, and durability testing, ensuring consistent quality for every order.
  • OEM & ODM Support: Custom logo, finishes, packaging, structure adjustment, and new product development to support your brand building.
  • North America Market Experience: Designed for U.S. and Canada standards, covering common center-to-center sizes 92mm and 140mm, finishes, and installation requirements for the North American market.
Vastroi Separate Handleset with Square Grip and Circolo Rosette with Contempo Door Knob in Matte Black zhongshan sunshine hardware Co., Ltd

Vastroi Separate Handleset with Square Grip and Circolo Rosette with Contempo Door Knob in Matte Black

Vastroi Separate Handleset with Square Grip and Circolo Rosette with Contempo Door Knob in Matte Black

front door lock picture

Poignée de porte d'entrée

Poignée de porte d'entrée en alliage de zinc de style moderne, conception...

Poignée de porte d'entrée

FINISH OPTION

  • Matte Black

  • Satin Brass

  • Satin Nickel

  • Polished Chrome

  • Antique Brass

  • Antique Bronze

  • Antique Copper

  • Polished Brass

  • Polished Nickel

  • Oil Rubbed Bronze

FRONT DOOR LOCK

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