Chengyu ule Equipment Co., Ltd., a ọkachamara mmebe na emeputa ihe onwunwe ule akụrụngwa, e guzobere na 2001.Chengyu nwere R & D center na factory na Jinan na mba dept na Qingdao, Shandong n'ógbè, China nkwanye ùgwù.Anyị bụ ndị ọkachamara n'ịkwanye ngwa nyocha ọkachamara maka ụlọ ọrụ nyocha nke ogo, injinia obodo, ihe owuwu, ụlọ ọrụ Ngwuputa na mkpokọta, yana ndị na-emepụta ihe, ciment na asphalt, ụlọ nyocha geotechnical, ụlọ akwụkwọ agụmakwụkwọ na nyocha, ministri gọọmentị, ndị na-ere ahịa, ndị injinia na ndị ndụmọdụ. wdg.iji tụọ ike ihe na arụmọrụ ngwaahịa.
Chengyu Testing Equipment Co., Ltd bụ ọkachamara na R&D na n'ichepụta akụrụngwa nnwale ihe eji eme igwe, igwe anaghị agba nchara na ihe mejupụtara nnwale arụmọrụ.