Dịka otu n'ime ndị na-emepụta silicone sealant kacha mara mma na ndị na-ebubata ngwaahịa na China, ngwaahịa dị mma na ọnụ ahịa dị mma gosipụtara anyị. Biko nwee obi ike ịzụta nnukwu silicone sealant mara mma site na ụlọ ọrụ anyị. Kpọtụrụ anyị maka nkọwa ndị ọzọ.

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