Akụkọ ụlọ ọrụ

Mbupu resin hydrocarbon

2022-10-26

Tupu ibupu ngwongwo batch ọ bụla. anyị ga-eme viscosity ule, eru ule, ogologo kpo oku ule na niile nke ule nke ị chọrọ. Ọzọkwa ga-ezitere gị vedio na eserese nke ngwa batch ọ bụla.



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