Chida cha Chengyu choyesa co., Ltd., wopanga ndi wopanga zida ndi wopanga magetsi, adakhazikitsidwa mu 2001.chengyu malo ndi fakitale ku jingdao ,. Ndife katswiri popereka zida zoyesa zaukadaulo za owunika, upangiri wa boma, zomangamanga, masitepe a masitepe, opanga maboma, akatswiri aboma etc.to kuyeza mphamvu zakuthupi ndi ntchito yamalonda.
Zida Zoyesa Zoyesa Congyu Commation Co., LTD imapangidwa mu R & D ndikupanga zida zoyesera zoyeserera zomwe zimagwiritsidwa ntchito pazitsulo zachitsulo, zopanda zitsulo zophatikizika.