Na ntina ya ebandeli ya nsuka, esika ya ebandeli ya nse mpe structure industrielle inraisonnable ya industrie ya fabrication ya spiral spiral préfabriqué na Chine. Lokola mbongwana mpe bofungwami, atako industrie ya bokeli biloko ya spiral oyo esalemaki liboso ekoli noki, bokeseni ezali naino polele soki tokokanisi yango na ba mboka oyo ezali kobimisa mituka. mingimingi soki tokokanisi yango na ba sociétés manufacturières ya ba pièces ya bapaya, ezali mingi koleka polele{2}
En plus ya écart na échelle, écart entre industrie ya fabrication ya ba pièces spirales préfabriquées ya Chine ezali na ntina mingi koleka technologie ya fabrication mpe technologie ya gestion. selon ba informations pertinentes, ezali na plus de 5,000 ba entreprises accessoires oyo ezali ya l’Etat te na revenu ya l’Etat, contrôlé mpe vente ya sur 5 million de yuans, mpe ba entreprises ya ba petits-moins ya ba petites entreprises, ba petits. 7,000-8,000. More than 80% of sales are below 100 million yuan, and only 130 are over 100 million yuan. Nearly 70% of the domestic component suppliers have high production costs and low overall efficiency, which is relatively or significantly lacking international power. Bosch prefabricated spiral accessories company's sales revenue in 2008 reached 47 billion Euros, nzokande mosolo ya monene ya Chine oyo esalemi na ba accessoires ya ba accessoires ya spiral oyo esalemi na Chine ezali na se ya 1 milliard ya ba dollars ya Etats-Unis (mbongo ya koteka ya Wanxiang Group na 2009 ezalaki 51.480 millions ya yuans), bokeseni ezali mpenza polele.
