... experience engineers; 4.low price and short delivery. high precision plastic counter number wheel:1. Our factory has the ... products,industrial product,lab disposable consumable,household products,(OEM). Outstanding feature: high precision;small size:3mm*3mm*3mm or much smaller ... ,2738,S136, SKD61,H13,SKD11,etc.Advanced equipments:precision grinder,milling machine,driller,lathe,wire cutting machine,EDM ...