Hi-steel stainless steel mortise sash lock case Higrade Hong Kong is one of the high quality ironmongeries supplier in Hong Kong market and is a subsidiary of vieler international from Germany, manufacturers of high quality architectural product ranges. In addition to the vieler products, we also supply hinges, locks, door closers etc. To make up the full ironmongery package using either well known European manufacturers or locally made products depending on the budget that is available or the specification from the client. Currency: HKD Unit Price: Quantity: Delivery: Please contact us via email -