About Us
Founded in 2006 and headquartered in Shandong, China, LEADOWVIN is a professional door manufacturer with over 20 years of industry experience. We operate a modern production facility spanning 100,000 square meters and employ a dedicated team of over 500 technical professionals. Specializing in the R&D, design, and manufacturing of three core product lines—industrial doors, roller shutters, and garage doors—we are a leading exporter in China’s door industry, committed to providing safe, reliable, and high-performance door solutions to customers worldwide.
Global Presence
Our products are exported to more than 50 countries and regions, with established customer networks across Europe, North America, the Middle East, Southeast Asia, Africa, and beyond. Compliant with international quality standards such as CE, ISO, and SGS, our products meet diverse local building codes and safety requirements. From large-scale industrial plants and commercial complexes to logistics centers and residential projects, we deliver customized door solutions for clients around the globe.
Core Strengths
Technological Leadership：Incorporates advanced German technology and equipment, with self-developed intelligent control systems holding multiple patents.
Quality Assurance：Strict adherence to ISO 9001 quality management systems, with products tested to withstand over 100,000 operational cycles.
Professional Service：One-stop solutions covering consultation, design, measurement, manufacturing, and installation.
Rapid Response：24/7 technical support and a 48-hour emergency service network spanning key global markets.
Applications
Our products are widely used in industrial manufacturing, logistics and warehousing, commercial centers, public buildings, and residential communities, providing comprehensive solutions for fire safety, security, sound insulation, thermal insulation, and energy efficiency.
Partnership
We have established long-term strategic partnerships with renowned construction firms, engineering contractors, and distributors worldwide. Recognized for outstanding product quality and professional service, we continue to earn trust in international markets. Moving forward, we remain dedicated to technological innovation and quality excellence, creating lasting value for our global partners.
Professional Manufacturing, Serving the World.
Over the years, we have been serving every customer with sincerity and responsibility
We firmly believe that by treating our customers well, we will always be customers. We have been able to persevere for many years because we have always been trustworthy. We have never fooled first-time customers, nor have we received customer complaints. We do our job well and never forget our original intention.Corporate values
Carry forward the people's craftsman spirit, independent innovation, science and technology power. New whole intention to create value for users.Service concept
Before the sale is a staff, during the sale is a friend, after-sales is a partner, and serve customers with heart.Business philosophy
Develop, innovate, and seek development based on the market. Improve the system, deepen management, and improve quality.Corporate Vision
Become an enterprise that emphasizes economic efficiency, management system, principles, and work efficiency.
Fast delivery
Standard products will be shipped within 1 working day in stock, and non-spot products will be shipped within 15 working days (except for customized products).
Extremely fast response
24-Hour after-sales services, after-sales maintenance hotline, to answer your questions
Worry-free after-sales service
Provide perfect pre-sale, in-sale and after-sales services, so that you can buy with confidence and use comfortably.
Company name:
Qingdao Lead Construct Technology CO.,LTD.，
：
Company address：
No. 6818, North Outer Ring Road, Linqu County, Weifang City, Shandong Province
E-mail address：
frank@ldvdoorwindow.com
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