Aia i loko o ke kūlanakauhale awa kaulana, Ningbo, Kina, Ningbo Yuhe Construction (Digtech) Machinery Co., Ltd.loea i ka hana ʻana a me ka hoʻokuʻu ʻana aku i ka maikaʻi maikaʻi loa i nā mea hana a me nā ʻāpana ala kilakiʻekiʻe ikaika fasteners bolt & nut, palau palau, kī hex, kī kī, ʻāpana ʻāpana, uʻi maka o ka grader, ʻoki ʻoki ʻoki, i hoʻopilikino ʻia, bakeke niho niho a laka, pine a me ka mea paa, lima lima a me ka mea paa, bakeke niho a me ka mea hoʻopili, nā wili wili;a me nā ʻāpana forging, hoʻolei a me ka mīkini ʻoi aku ma mua o 20 mau makahiki.