Size: 53-1180um (According to requirements) ¢Ú Roundness: >80% (According to requirements) ¢Û Refractive index: >1.5 ¢Ü Gravity: 2.4-2.6 ¢İ Coating type: According to international standards our co***ny is appraised for qualified products by the Ministry of Communications as well as approved by ISO9001. it is selected ¡°China Acknowledged Brand Products¡±,and ¡° China Glass Ball Fine Products Business¡± .The products are exported to twenty districts and countries abroad, the quality of our glas...
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