Peb yog cov chaw tsim khoom lag luam dej twj tso kua mis uas tsom rau lub split case twj tso kua mis, ntsug turbine twj tso kua mis  thiab  cov twj tua hluav taws  thiab lwm yam. Muaj ntau tshaj 50 xyoo kev paub dhau los, tam sim no peb tau lees paub nrog ISO daim ntawv pov thawj los ntawm SGS, kuj nrog UL / FM thiab NFPA kev pom zoo.

Credo twj tso kua mis ua ntej yog Changsha Industry Pump Factory nrhiav tau nyob rau hauv 1961, uas pab pawg neeg thiab kev tswj xyuas tsim Credo Pump. Thaum lub Tsib Hlis 2010, Credo Pump Hoobkas tau tsiv mus rau Jiuhua National Economic & Technological Demonstration Development Zone, npog thaj tsam ntawm ntau tshaj 38,000m2, thiab ib pab neeg tshaj lij nyob ib ncig ntawm 200 tus neeg. Tam sim no, Credo Pump tau dhau los ua tus tsim nyog cov khoom lag luam ntawm 49 petrochemical kev lag luam khoom siv hauv Suav teb, kuj tau txais lub koob npe nrov hauv Suav teb thiab txawv teb chaws twj tso kua mis.