Professional manufacturer of security doors, armored doors, steel-wood doors, and customized entrance door solutions โ trusted by contractors and distributors across 130+ countries.
Zhejiang Larsom Door Co., Ltd. is a professional manufacturer specializing in the research, development, production, and global sales of high-quality security doors, armored doors, steel-wood doors, and customized entrance door solutions.
Since its establishment, Larsom Door has been committed to providing customers around the world with safe, durable, and stylish door products. The company operates a modern manufacturing facility covering more than 16,000 square meters, supported by an experienced team of over 160 skilled employees. With advanced production management and efficient manufacturing systems, our daily production capacity exceeds 200 sets of premium doors.
Guided by the philosophy of "Quality First, Customer Foremost, Innovation for the Future," Zhejiang Larsom Door Co., Ltd. continues to improve its manufacturing capabilities and build long-term partnerships with customers around the world.
From advanced machinery to certified quality control, every aspect of our operation is designed to deliver doors that exceed expectations โ on time, every time.
Our purpose-built manufacturing facility covers over 16,000 square meters, equipped with automated CNC laser cutting, bending, welding, punching, sanding, and powder coating lines.
We invest heavily in CNC laser cutting machines, automatic welding systems, high-speed turret punching machines, and modern powder coating lines to ensure consistent precision at scale.
From raw material selection to final inspection, every production step follows comprehensive quality control procedures. Our products comply with international quality standards.
With rich experience in OEM and ODM manufacturing, we provide fully flexible solutions for customers seeking customized branding, unique designs, and tailored product development.
Our efficient manufacturing systems enable daily output exceeding 200 premium door sets, meeting both large-scale project contracts and urgent customized orders with reliable delivery.
Trusted by building contractors, real estate developers, wholesalers, and importers across Europe, the Middle East, Africa, South America, Southeast Asia, and Central Asia.
A glimpse inside our 16,000ใก production facility โ where cutting-edge machinery meets rigorous craftsmanship to build doors the world trusts.
From raw steel plate to a finished premium door โ our end-to-end controlled manufacturing process guarantees dimensional accuracy, structural integrity, and surface perfection.
Every door we produce is a reflection of our commitment to safety, durability, and design excellence. We don't just manufacture doors โ we build the trusted threshold between your world and the outside.
Our manufacturing processes and products have been validated against international quality benchmarks, giving global buyers confidence in every order.
Larsom Door strictly implements quality control at every stage of production. Our robust QC framework covers incoming raw material inspection, in-process dimensional verification, surface treatment checks, and final product validation โ ensuring zero-defect delivery to customers worldwide.
Products are manufactured and tested in compliance with international quality standards, ensuring structural integrity, security performance, and finish durability.
In-house testing facilities verify door panel strength, lock cylinder security ratings, hinge load performance, and anti-forced-entry resistance before shipment.
CNC laser cutting and automated welding systems eliminate manual error, guaranteeing dimensional accuracy of ยฑ0.1mm across all door frame and panel components.
Our technical team provides complete documentation, product certificates, and compliance support for customers requiring specific regional market certifications.
Larsom Door's commitment to continuous improvement drives significant investment in advanced manufacturing technology. Our engineering and R&D teams work to refine production processes, develop new surface treatment techniques, and engineer doors that meet the evolving demands of modern architecture and security requirements.
From precision CNC engraving that delivers intricate decorative patterns to UV coating systems that produce mirror-grade surface finishes, our technology stack sets us apart from conventional door manufacturers.
Sub-millimeter precision for complex patterns and structural components.
Robotic welding ensures consistent seam quality and structural strength.
Advanced surface treatment delivering scratch-resistant, long-lasting finishes.
In-house design capability supporting full ODM product development cycles.
From high-rise residential towers to boutique villa developments, Larsom security doors are specified by architects, developers, and contractors across diverse construction sectors worldwide.
Premium armored and steel-wood doors for multi-unit apartment projects requiring high security ratings and consistent aesthetic finishes.
Bulk supply of certified security doors to large-scale real estate developers, with OEM branding and custom color options to match project specifications.
Stylish and durable entrance door solutions for commercial properties requiring both security performance and architectural appeal.
Customized armored doors with premium surface finishes โ engraved panels, UV gloss coatings, and bespoke hardware โ for high-end private residences.
Reliable OEM/ODM supply partnerships for wholesalers and importers requiring consistent quality, competitive pricing, and flexible container-load quantities.
Scalable supply solutions for building contractors managing multiple construction sites, with project tracking and phased delivery scheduling support.
Real feedback from contractors, importers, and developers who partner with Larsom Door for their projects across 130+ countries and regions.
"We've been sourcing security doors from Larsom for over three years for our residential construction projects in the Middle East. The consistent quality, on-time delivery, and competitive pricing make them our preferred supplier. Their OEM service is excellent."
"The armored doors we import from Larsom Door have become our best-selling product line in Eastern Europe. The quality is clearly above market average โ the steel thickness, locking mechanisms, and surface finishes are all at a very high standard."
"From sample approval to bulk delivery, Larsom's team was professional and responsive at every step. The steel-wood doors we ordered for our villa development project received very positive feedback from our end clients. We will definitely continue working with Larsom on our upcoming projects."
From Europe to Southeast Asia, from the Middle East to South America โ Larsom Door's products are trusted by professionals across every major global market.
Security and armored doors supplied to residential developers, wholesalers, and distributors across Western and Eastern Europe.
A primary export region โ Larsom doors are widely specified in large-scale housing and commercial construction projects throughout the GCC and Africa.
Growing partnerships with importers and contractors in Vietnam, Thailand, Kazakhstan, Uzbekistan, and neighboring markets.
Reliable container-load export supply to distributors and building material importers across Brazil, Mexico, Colombia, and beyond.
Direct supply relationships with major building contractors and real estate developers managing multi-unit and large-scale construction projects globally.
OEM and white-label supply programs for door wholesalers and importers who require branded product lines with competitive FOB pricing.
We sincerely welcome friends and business partners from every corner of the globe to visit our factory and establish mutually beneficial cooperation with us. Whether you need bulk project supply, OEM branding, or custom product development โ our team is ready to support you.
Larsom Door