The "OH Furniture Collection" creates a new typology in furniture and interior design using genius interlock design invented by Mr Andrea Ingrassia, Lecturer from the Academy of Visual Arts of HKBU. The invention of interlocking design has been granted patents in the United States and mainland China.

The unique invention, interlock design, which can be scaled up accordingly, enables flexibility and customisation, while also facilitating simple disassembly. By integrating the design into "OH Furniture Collection", chairs can be easily stacked and also turned into tables, providing a modern solution to our interior needs. The classic collection features minimalist form, understated elegance and affordable luxury.

This interlock can also be applied to a variety of designs and products of daily use. This project won a gold medal at the 47th International Exhibition of Inventions of Geneva held in Switzerland. 

By using the same smart design of interlock, Mr Andrea Ingrassia, Lecturer from the Academy of Visual Arts of HKBU further made the "OHO Jewellery Collection". The jewellery whether it is a ring, earrings or necklace can be easily modified depending on the occasion. It will give a lady the versatility to create a sophisticated look instantaneously anytime, anywhere. It will bring a touch of chic to her day to day look with beautiful modern gemstones connected by delicate sterling silver interlocks. The project won a Silver Medal at the 47th International Exhibition of Inventions of Geneva.