Tam sim no, Tuam Tshoj txoj mold kev lag luam thaj chaw cov cwj pwm yog cov cuab yeej, feem ntau yog tshwm sim li: kev loj hlob ntawm sab hnub tuaj ntug hiav txwv thaj tsam sai tshaj nruab nrab thiab thaj chaw thaj tsam, txoj kev loj hlob ntawm sab qab teb sai dua rau sab qaum teb. Qhov feem ntau concentrated puab pwm nyob rau hauv pearl dej Delta thiab Yangtze dej delta cheeb tsam, li ob feem peb ntawm lub teb chaws pwm muaj nqis. Yas pwm thiab pwm kev lag luam raws li ib thaj tsam ntawm thaj chaw zoo ib yam li, zhejiang, jiangsu, guangdong yas pwm nyob hauv lub forefront ntawm lub teb chaws, nws tso zis tus nqi hauv lub teb chaws tag nrho cov nqi tso tawm ntawm cov pwm hauv qhov feem ntawm 70%.
Zhejiang mold kev lag luam yog cov concentrated hauv ningbo thiab taizhou. Yuyao, ninghai, cixi thiab yinzhou ntawm ningbo tsuas yog tsim cov pwm yas. Xiangshan thiab zhoushan mus rau casting thiab stamping tuag - raws li. Taizhou pwm cov lag luam yog cov concentrated hauv huangyan txoj kev thiab tus choj, kev pwm yas txheeb feem ntau.
