E, re moetsi, 'me re na le lifeme tsa rona tse fumanehang Qingdao, Tai'an, Profinseng ea Shandong, joalo-joalo Re hlahisa le ho romela lihlahisoa tse ka sehloohong: tšepe ea carbon, tšepe e sa hloekang, tšepe e khethehileng le ho roala lihlooho tse' nè tsa lihlahisoa tse kholo, tse sebelisoang haholo likoloing, lisebelisoa tsa lapeng, lik'hemik'hale tsa petrole, tlhahiso ea mechine, lipalangoang tsa matla, mekhabiso ea meralo, lihlahisoa tsa tšepe, sebaka sa sefofane, matla a nyutlelie, lisebelisoa tsa elektroniki le liindasteri tse ling. E-ba le matla a ho etella pele.

Ee, re fumane BV, SGS le mangolo a mang.

Haeba thepa e le teng, hangata ke matsatsi a 7-14. Kapa haeba thepa e le sieo, ke matsatsi a 25-45 'me e hloka ho baloa ka bongata.

Ka kopo fana ka litlhaloso tsa sehlahisoa, joalo ka thepa, boholo, sebopeho, joalo-joalo e le hore re ka fana ka khotheishene e ntle ka ho fetisisa.

Ee, o ka fumana lisampole tse ka sebelisoang lethathamong la rona. Mohlala oa sebele ke mahala, empa moreki o hloka ho lefa thepa.

Re boloka boleng bo botle le litheko tsa tlholisano ho netefatsa lithahasello tsa bareki ba rona. Re tla fana ka litheko tse ntle ka ho fetisisa tsa VIP ho bareki ba nang le tšebelisano ea nako e telele.