Ile-iṣẹ Yihe jẹ ile-iṣẹ ti o ṣe amọja ni apẹrẹ ati iṣelọpọ eekanna, eekanna onigun mẹrin, eekanna eekanna, gbogbo iru eekanna apẹrẹ pataki ati awọn skru.Aṣayan ohun elo eekanna ti erogba didara, irin, Ejò, aluminiomu ati irin alagbara, ati pe o le ṣe galvanized, fibọ gbona, dudu, bàbà ati itọju dada miiran gẹgẹbi ibeere alabara.Dabaru akọkọ lati gbe awọn US-ṣe amchine skru ANSI, BS ẹrọ dabaru, bolt corrugated, indlcuidng 2BA, 3BA, 4BA;German-ṣe ẹrọ skru DIN (DIN84 / DIN963 / DIN7985 / DIN966 / DIN964 / DIN967);GB Series ati awọn oriṣi miiran ti boṣewa ati awọn ọja ti kii ṣe deede gẹgẹbi awọn skru ẹrọ ati gbogbo iru awọn skru ẹrọ idẹ.