
Hana ʻia nā heleuma wedge mai nā mea kiʻekiʻe - maikaʻi e hōʻoiaʻiʻo i ka hana maikaʻi a me ka lōʻihi.
Hana ʻia nā heleuma o ke kaupaku mai nā mea kiʻekiʻe e hōʻoia i ka hana ʻoi aku ka maikaʻi a me ka lōʻihi.
Ua hoʻokumu ʻia ʻo Hebei Fujinrui Metal Products Co., Ltd. ma 2004 a aia ma Handan City, Hebei Province. Hoʻopili ka hui i kahi ʻāpana o 10,000 square square a loaʻa iā ia kahi limahana ma mua o 200 poʻe. He ʻoihana ia e hoʻohui i ka hana huahana fastener a me ka pale ʻana i ka corrosion surface metal, me kahi hui ʻenehana hana makua. ʻOi aku ma mua o 20 mau makahiki o ka ʻike i ka ʻoihana paʻa.