Qingdao Ohsung Stationery Co., Ltd. e thehiloe ka 2005, ho tloha letsatsing la pele la ho thehoa ha rona sepheo sa rona e bile ho fa bareki ba rona lihlahisoa tsa puisano tse bonahalang tsa boleng bo holimo. Hona joale mefuta ea lihlahisoa tsa rona e akaretsa: liboto tse tšoeu, liboto tsa tsebiso, liboto tse tšoeu tse tsamaeang, chate e kholo le lintho tse ling tse ngata bakeng sa tšebeliso ea lapeng, joalo ka lik'halendara tsa ho hlakola tse omileng (li-planning tsa beke le beke/khoeli le khoeli), liboto tsa li-cork le liforeimi tsa lifoto jj. Lihlahisoa tsa rona li sebelisoa haholo likolong, liofising hammoho le mafapheng a mangata a sechaba lefatšeng ka bophara.