Na lege ti tongo nda ti kusala, kete ndo ti tongo nda ni nga na lege ti salango ye so ayeke na lege ni pëpe ti kusala ti lekengo abongo ti spirale so a leke ni kozoni awe na Chine. ngbele ye na gbiango ye na zingo ni, atâa so kusala ti lekengo a-appareil ti spirale so a leke ni kozoni awe amaï hio, kangbi ni angbâ lakue ti duti polele tongana a haka ni na akodoro so ayeke sala a-oto so ayeke sala kusala na a-oto, 1} .
In addition to the gap in scale, the gap between China's prefabricated spiral parts manufacturing industry is more important than manufacturing technology and management technology. According to relevant information, there are more than 5,000 non-state-owned accessory enterprises with state-owned, state-controlled and sales income of over 5 million yuan, and the total number of small-scale village enterprises, small non-state-owned enterprises and family workshops will exceed 7, 7, 100 million, na gi 130 a yeke 100 million ti yuan{{{18} ndulu na 70% ti azo so ayeke mû acomposant ti kodoro ni ayeke na akota nginza ti lekengo na ye, so ayeke na lege ni wala so ayeke na kota ndo pëpe ti wara nginza ti kodoro ni so ayeke na ngangu ti kodoro-togbia so ayeke na ngangu mingi. 2008 asi na euro milliard 47, na ngoi so kota ndokua ti Chine so a leke ni kozo awe ti vo na a-accessoire ti spirale so ayeke na yâ ti ngu oko oko ayeke kete ahon milliard 1 ti dollar ti Amerika (Wanxiang Group ti ngu 2009 ayeke yuan kutu 51 480), kangbi ni ayeke polele mingi ({27}
