junfeng glass bead company ltd -

junfeng glass bead company ltd

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glass bead
Specification: ¢Ù Size: 53-1180um (According to requirements)
Detail: ¢ÙSize: 53-1180um (According to requirements) ¢Ú Roundness: >80% (According to requirements) ¢Û Refractive index: >1.5 ¢Ü Gravity: 2.4-2.6 ¢Ý Coating type: According to international standards


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