... 2. Scope of Elasticity: 120 to 200g 3. click%: >30% 4. life:> 1000,000 metal dome Supplier Dongguan Xing’an Electronic ... product range with various choices in shapes from circle, cross(4-Legs), triangle to oblong[3].Size:Diameter from 3 ... mm to 20 mm[4].Trip force: From 100g to 6000g is available[5]. ... 6].Major Clients:MOTO,ITT,GSTAR,BBK,SANSUNG,TCL,CHANGHONG pcb metal dome