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![]() Ballsum is a sales dept. of our own factory. Technical problems can be easier to deal with. Each product from Ballsum is examined carefully and we control the quality at ISO standard. For high precision products (0.001mm~0.003mm), we even request a controlled temperature to measure all our products. Only best products will be delivered. All our materials are all certified by SGS, ISO9001 and ISO14001, and for materials, we are equipped with high frequency facilities and the refrigerator is also equipped. We can... [Details] |
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