Chengyu kuyezetsa Equipment Co., Ltd., katswiri mlengi ndi wopanga zipangizo kuyezetsa zinthu, unakhazikitsidwa mu 2001.Chengyu ali R&D pakati ndi fakitale Jinan ndi dipatimenti mayiko Qingdao, m'chigawo Shandong, China mwaulemu.Ndife akatswiri popereka zida zoyezera akatswiri m'mabungwe a Quality Inspection, Civil Engineering, Construction, Mining and Aggregate Industrials, komanso Opanga Konkire, Simenti ndi Asphalt, Geotechnical Laboratories, Educational and Research Establishments, Ministries Government, Resellers, Injiniya ndi Alangizi. etc.kuyezera mphamvu zazinthu ndi momwe zinthu zikuyendera.
Chengyu Testing Equipment Co., Ltd ndi yapadera pa R&D ndikupanga zida zoyezera zinthu zomwe zimagwiritsidwa ntchito poyesa zitsulo, zopanda zitsulo komanso zophatikizika zamakanika.