NANJING EFG CO., LTD., expert of wateproof frame materials
Nanjing Efg Co., Ltd. Has specialized in Fiberglass Materials Supplies Since 2003.
The main raw materials of fiberglass are:
Acid oxides (network forming and intermediate oxides)
Alkaline earth metal oxides (network exosome oxides)
Alkali metal oxides (network exosome oxides)
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