Gulu la Chengyu ndilopanga zida zoyesera zolondola.Okhazikika pakupanga makina apamwamba kwambiri amagetsi oyesera padziko lonse lapansi, okhala ndi machitidwe apamwamba owongolera ma servo, kudalira machitidwe apamwamba oyesera kuti athe kuwongolera bwino makina ogwiritsira ntchito ndikupeza deta yolondola.Perekani mitundu yosiyanasiyana ya zida zoyeserera, zimatha kuchita zolimbitsa thupi, kuponderezana, kumeta ubweya ndi zida zina zamakina.Kutengera gawo laling'ono lonyamula, kalasi yolondola imatha kufika 0,5.Zokonda zachilengedwe, zopanda phokoso pamene zida zikuyenda.

Gulu la Chengyu lili ndi unyolo wathunthu wamakampani ndipo wapeza chiphaso cha ISO9001.Okonzeka ndi mkulu-mapeto kumaliza wanzeru CNC makina, akhoza kupanga chimango cha zida kuyezetsa ndi Chalk zosiyanasiyana.Kuchokera pakusankhidwa kwa zida zopangira mpaka ulalo uliwonse wopanga, Chengyu amayendetsedwa mosamalitsa kuonetsetsa kuti timapereka makasitomala zinthu zabwino kwambiri.Zida zalandira chitamando chimodzi kuchokera kwa makasitomala, ndipo zatumizidwa ku America, Europe, Southeast Asia ndi Africa, etc., .Chengyu ndi mtundu wodalirika wamakasitomala ofunikira.