Chengyu su'ega Meafaigaluega Co., Ltd., o se tagata tomai faapitoa mamanu ma le gaosiga o meafaitino su'ega meafaigaluega, na faavaeina i le 2001.Chengyu e R & D nofoaga autu ma falegaosimea i Jinan ma faava o malo dept i Qingdao, Shandong itumalo, Saina faaaloalo.Matou te faʻapitoa i le tuʻuina atu o meafaigaluega faʻapolofesa mo suʻesuʻega mo aʻoga o Suʻesuʻega Lelei, Inisinia Sivili, Faufale, Mining ma Aggregate alamanuia, faʻapea foʻi ma Sima, Sima ma Asphalt Manufacturers, Geotechnical Laboratories, Educational and Research Establishments, Matagaluega a le Malo, Resellers, Engineers and Consultants. etc.e fua ai le malosi o meafaitino ma le faatinoga o oloa.
Chengyu Testing Equipment Co., Ltd e faʻapitoa i le R&D ma le gaosiga o meafaitino suʻega meafaigaluega faʻaaogaina mo uʻamea, mea e le o uʻamea ma mea faʻapipiʻi faʻataʻitaʻiga faʻataʻitaʻiga.