PROFESSIONAL R&D TEAM
The company has a product development department, including appearance designers, structural engineers and process engineers, all of whom have accumulated many years of experience in the hardware door lock industry;
Every year, 3-4 original designs of zinc alloy handles will be launched; (There are 7-8 original styles every year, and we only select some to launch on the market), and the structural engineers will cooperate with the appearance designers to jointly develop unique products on the market through structural optimization; the process engineers will match the corresponding surface treatment process according to the appearance requirements of the product to fully demonstrate the beauty of the product;
Since 2001, we have developed and assembled internal mechanical devices with multiple configurations and innovative solutions, including 5mm ultra-thin rosette, 63mm rosette, silent mortise lock, magnetic mortise lock, 5572/6072/60mm/90mm mortise lock, etc. Continuous structural innovation is the reason why we have always maintained our advantages among global door hardware companies.
IISDOO's R&D team has done a lot of research on wooden and glass doors in different countries around the world, and has developed more than 10 types of door lock internal structures to meet the needs of different customers.
IISDOO'S QUALITY ASSURANCE
All hardware products are manufactured and processed independently by the IISDOO factory located in Jiangmen City, Guangdong. IISDOO products go through a series of production processes such as die-casting, polishing, electroplating, quality control, packaging, and delivery, and are perfectly delivered to customers.
Same Color Of One Set Door Hardware
Mortise Lock, Cylinder, Door Handle, Rosette
Our technology enables door hardware to present different surface treatments. We have achieved color uniformity between different metals and different hardware parts, which is not an simple matter!
