Layin Takardar Baya na Tantanin Halittar Hasken Rana ta PP/PE
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Layin Takardar Baya na Tantanin Halittar Hasken Rana ta PP/PE
Ana amfani da wannan layin samarwa don samar da takaddun baya na hasken rana masu inganci, waɗanda ba su da sinadarin fluorine waɗanda suka dace da yanayin masana'antar kore;