الوصف

**4 stainless steel ball****-It can be used in iatrical instrument, chemical industry, aviation. Plastic hardware: scent bottle, sprayer, valve, nail polish, switch, washing machine, fridge, air condition, medicinal materials, automotive fittings, bearing, nursing bottle and so on. Stainless steel ball material: stainless steel(AISI**2~**6, AISI**0~**0C etc.) size: 0.5mm***0mm grade: G**-G***0 certificate: ISO****2, TS*****9, GB*******2 good wearing, high corrosion resistance , excellent surface quality and high hardness. we can make it according to your requirement! welcome to contact us!