Zhejiang hangjia Lub caij nplooj ntoo hlav tshwj xeeb lub Kaum Ib Hlis 2005 nrog ib lub peev txheej ntawm RMB 10 lab. Lub tuam txhab nyob rau ntawm No. 397, Zhenling Road, Fuchunjiang Town, Tonglu Nroog, Hangzhou. Nws ua haujlwm raws li lub tuam txhab lav photbility tsawg.
Cov lag luam ntsuas suav nrog kev tsim qauv, kev tsim khoom, muag khoom, thiab kev pabcuam ntawm springs. Lub tuam txhab hom yog "dai Jia Caij nplooj ntoos hlav". Tshwj xeeb hauv kev tsim cov tshuab tsim rau ntau yam kev lag luam xws li cov khoom lag luam xws li, thiab laum cov cuab yeej siv tshuaj lom neeg, Zhejiang Hangjia tau dhau los ua kev lag luam hauv daim teb no.
Lub tuam txhab tuaj yeem tsim cov springs nrog cov hlau diameters los ntawm ø {{}}. 1mm thiab ntev mus txog 1500mm. Cov ntaub ntawv siv suav nrog cov khoom siv caij nplooj ntoos hlav zoo xws li 60si2mna, 60CRRA, 12crra8ni9, inconel718, thiab inconel x {17}}.
