Longkou Haiyuan Plastic Machining Co, Ltd e thehiloe ka selemo sa 1999 ke moetsi ea hloahloa oa ho hlahisa lebokose la lijo tse potlakileng tsa PS (lihlahisoa tse lahliloeng) mochini o hlahisang thepa, mochini o nang le lithupa tsa PSP oa foam, o nang le masoba o etsang marang-rang, lesela la foam sheet la PSP (Pearl k'hothone) extrusion mochini, mochini o etsang marang-rang a etsang litholoana, lisebelisoa tsa boto ea KT, Mochini o nang leaminer, mochini o etsang motlakase o sebelisang motlakase, Recycling granulator, jj.