Located a cikin sanannun tashar jiragen ruwa birnin Ningbo, China, Ningbo Yuhe Construction (Digtech) Machinery Co., Ltd.ƙwararre a masana'anta da fitar da kyawawan kayan aikin ƙasa masu inganci da sassan waƙa na ƙarfe kamarhigh ƙarfi fasteners kusoshi & goro, garma bola, kullin hex, kullin waƙa, kashi bola, sandar ruwa mai daraja, yankan bakin ciki, na musamman kusoshi, fil ɗin hakori na guga da kulle, fil da mai riƙewa, hannun riga da mai riƙewa, hakori guga da adaftan, waƙa rollers;da sauran sassa na ƙirƙira, simintin gyare-gyare da machining sama da shekaru 20.