I Dongguan Yuhuang electronic technology Co., LTD, matou te mitamita i le avea ma se tasi o taʻutaʻua taʻutaʻua ma tuʻuina atu faʻapipiʻi faʻapipiʻi, e taʻua foi o grub screws, i totonu o mea faʻapipiʻi meafaigaluega.Faʻatasi ai ma a matou mea faʻapipiʻi lautele, e aofia ai le uʻamea uʻamea, carbon steel, copper, alloy steel, ma isi mea, matou te ofoina atu fofo e fetaui ma manaoga faʻapitoa a matou tagata faʻatau.