前程钢球生产轴承钢球。碳钢球，不锈钢球。铜球，玻璃钢球，阀门球，各类打空球..——————————————————————-1.588MM.2MM.2.2MM..2.381MM..2

.5MM...2.778MM..3MM,,,,,3.175M

M..3.5MM....3.969MM...4MM...4.5MM,,,4.763MM,,,5MM.5.556MM.5.953MM.6MM.6.35KMM6.747MM.7MM.7.144MM.7.5MM7.938MM.8MM.8.5MM8.731MM9MM.

9.525MM...10MM.

,11.1125MMM.11.5MM.12MM.12.5MMM.12.7MM.13MM.13.5MM14MM.14.5MM.14.288MM15MM.15.081MM.15.875MM.16MM.16.6688MM17MM.17.4625MM.18MM.18.2562MM19MM,19.05MM.19.844MM.20MM

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