from natural mineral sources or are manufactured from inorganic and mineral salts. these fibers are predominantly derivatives of silica (si ) or other metal oxides. in addition, metal fibers (either alone or encapsulated in a suitable organic polymer) are produced. the common feature of these fibers...
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machine technology co., ltd. zhejiang, china business type: manufacturer/factory & trading company main products: sewing machine number of employees: year of establishment: - - plant area: square meters average lead time: peak season lead time: within workdays off season lead time: within workdays oem...