S&He mea hana ʻo Teyu i ka ʻōnaehana hoʻoheheʻe wai ʻenehana me 17 mau makahiki i ka ʻike hau. ʻO nā ʻōnaehana wai chiller ʻoihana e S&Hoʻohana ʻia nā huahana Teyu i nā mīkini hana ʻenehana, nā mea hana laser a me nā mea lapaʻau. Mai ka 0.6KW a hiki i ka 30KW a he 90 mau hiʻohiʻona no nā koho. No ka hāʻawi ʻana i kahi ʻike huahana ʻoi aku ka maikaʻi, nā S&ʻO nā ʻōnaehana hoʻoheheʻe wai ʻenehana ʻo Teyu ma lalo o ʻelua mau makahiki.
E pili ana i ka hana, S&Ua hoʻolilo ʻo A Teyu i nā lako hana ʻoi aku ma mua o hoʻokahi miliona yuan, e hōʻoiaʻiʻo ana i ka maikaʻi o ke ʻano o nā kaʻina hana mai nā ʻāpana kumu (condenser) o ka chiller ʻoihana a hiki i ke kuʻi ʻana o ka metala; e pili ana i ka logistics, S&Ua hoʻonohonoho ʻo A Teyu i nā hale kūʻai logistic ma nā kūlanakauhale nui o Kina, me ka hoʻohaʻahaʻa nui ʻana i ka pōʻino ma muli o ka logistic lōʻihi o nā waiwai, a me ka hoʻomaikaʻi ʻana i ka lawe ʻana; e pili ana i ka lawelawe ma hope o ke kūʻai aku, ʻelua makahiki ka manawa hoʻohiki.