60,000 matani ekugadzira uye kushambadzira chiyero kuwana mutengo kukwikwidza.
Kutengwa kwepasirese kwezvinhu zvakabikwa, kudzikisa zvakanyanya mutengo, chiyero chakakanda mutengo-unoshanda kukwikwidza.
Qingdao Sainuo yakavambwa muna 2005, ibhizimusi repamusoro-soro rinobatanidza kugadzira, tsvakiridzo yesainzi, mashandisiro uye kutengesa.Kubva pane yekutanga musangano uye chigadzirwa, yakawedzera zvishoma nezvishoma kuita yakazara yakazara lubrication uye dispersion system chigadzirwa mutengesi muChina ane angangoita zana emhando dzezvigadzirwa, achinakidzwa nemukurumbira wepamusoro mumunda wekuzora uye kupararira muChina.Pakati pavo, chikamu chekugadzira uye kutengesa vhoriyamu ye polyethylene wax uye EBS chinzvimbo chepamusoro muindasitiri.