Qingdao Sainuo nheyo muna 2005, ndiyo misoro yepamusorosoro zvebhizimisi kusanganisa kugadzirwa, kwesainzi, kushanda uye okutengesa. Kubva kwokutanga rimwe workshop uye chigadzirwa, zvave zvishoma nezvishoma akura kupinda kupfuura kwakakwana lubrication uye akapararira hurongwa chigadzirwa nokutengesa mu China kusvika 100 mhando zvigadzirwa, kunakidzwa mukuru mukurumbira mumunda lubrication uye vakapararira China. Pakati pavo, kurimwa kota uye okutengesa Vhoriyamu polyethylene wakisi uye EBS chinzvimbo pamusoro ari indasitiri.