YF8821

YF8821 Heavy-Duty Lever Lock Series

Engineered for strength and reliability, the YF8821 Heavy-Duty Lever Lock Series is crafted from premium zinc alloy, providing exceptional durability and resistance to daily wear. Its advanced screw left-right structure ensures superior stability, making it a trusted solution for residential homes, office buildings, hotels, and other high-traffic environments.

This series is available in multiple functional configurations, including Entrance (ET), Privacy (BK), Passage (PS), and Dummy (DL), offering versatile security options to meet diverse requirements. The YF8821 comes in a selection of refined surface finishes, such as Satin Nickel (SN), Oil Rubbed Bronze (ORB), Antique Brass (AB), and Chrome Plated (CP), allowing it to complement a variety of interior styles while ensuring long-term corrosion resistance.

Designed to fit both wooden and steel doors, this series supports standard door thicknesses of 35-50mm, with optional customization for 45-55mm doors. With its robust construction and stylish aesthetics, the YF8821 delivers a seamless blend of security, functionality, and modern design.

Description

Product Name YF8821 Heavy-duty lever lock series
Material Zinc alloy
Main Functions Entrance (ET) / Privacy (BK) / Passage (PS) / Dummy (DL)
Feature Screw left-right structure
Surface Finishing Satin (SN) / Oil rubbed bronze (ORB) / Antique brass (AB) / Antique copper (AC) / Satin chrome (SC) / Chrome plated (CP) / Antique nickel (AN) / Polished brass (PB)
Standard Door Thickness 35-50mm
Special Door Thickness 45-55mm
Suitable For Wooden door and steel door

Professional Lock Manufacturer & Security Solutions Provider

Zhongshan Yanfeng Lock Industry Co., Ltd. is a leading manufacturer specializing in the development, production, and global distribution of
high-security mechanical and smart locks. With years of experience in the lock industry, we are dedicated to providing durable, innovative, and customized security solutions
for residential, commercial, and industrial applications.

As a trusted supplier in the **B2B sector**, we collaborate with distributors, wholesalers, project contractors, and hardware brands worldwide,
ensuring premium quality, cost-effective pricing, and reliable customer support. Whether you require **OEM & ODM** services or bulk lock solutions,
we have the expertise and manufacturing capabilities to meet your business needs.

Manufacturing & Quality Assurance

  • Advanced Production Facilities: Equipped with precision CNC machines, die-casting technology, and automated assembly lines.
  • High-Grade Materials: Utilizing stainless steel, zinc alloy, brass, and reinforced aluminum for enhanced security and durability.
  • Strict Quality Control: ISO9001-certified manufacturing with rigorous testing for strength, corrosion resistance, and operational longevity.
  • Customizable Solutions: Support for OEM/ODM production, including branding, keyway configurations, and electronic system integrations.
  • Global Supply Chain: Efficient logistics and stable production capacity to ensure timely delivery for bulk orders.

Our Product Range

We provide a comprehensive selection of **mechanical and smart locks** for various applications. Our products combine **security, functionality, and aesthetic design**,
meeting the high demands of modern architectural projects and security systems.

Mechanical Locks

  • Deadbolt Locks: High-strength security locks with single or double cylinders.
  • Door Knob & Lever Locks: Durable and stylish designs for homes and offices.
  • Entry Handleset Locks: Elegant and robust solutions for main entrances.
  • Mortise Locks: Heavy-duty locks for commercial and industrial applications.
  • Pocket Door Locks: Sliding door locks for space-saving security solutions.
  • Ecological Door Locks: Eco-friendly materials and innovative designs.

Smart Locks

  • Fingerprint Door Locks: Biometric access for enhanced security.
  • Smart Door Knob & Lever Locks: Wireless connectivity with app control.
  • Bluetooth & Wi-Fi Locks: Seamless integration with smart home systems.
  • Smart Glass Door Locks: Ideal for commercial buildings and office spaces.
  • Keypad & RFID Locks: Secure access with PIN codes and card authentication.
  • Remote Access Smart Locks: Cloud-based management for real-time control.

Industry Applications

Our locks are widely used in various industries, ensuring **high-security standards and long-term reliability** for:

  • Residential Buildings: Apartments, villas, and gated communities.
  • Commercial Properties: Offices, shopping malls, and hotels.
  • Industrial Facilities: Warehouses, factories, and logistics hubs.
  • Public Infrastructure: Schools, hospitals, and government buildings.
  • Smart Homes & IoT: Integrated solutions for modern living spaces.

Why Choose Yanfeng Lock?

  • Over 13 Years of Industry Experience: Expertise in lock manufacturing and security innovations.
  • OEM & ODM Services: Tailor-made lock solutions for your business.
  • Global Partnerships: Trusted by distributors and retailers worldwide.
  • Competitive Pricing: Cost-effective solutions without compromising quality.
  • Reliable Customer Support: Professional assistance before and after sales.

Contact Us

For business inquiries, please reach out to us:

Phone: +86 15674756738

Email:
sales@yanfenglock.com

Website:
www.yanfenglock.com

© 2025 Zhongshan Yanfeng Lock Industry Co., Ltd. All rights reserved.