Ku bijyanye no guhitamo umuryango w'iburyo ku rugo rwawe cyangwa ku biro, imbaraga no kuramba nta gushidikanya ko ibintu bibiri by'ingenzi tugomba gusuzuma. Ihitamo rimwe ryungutse mumyaka yashize ni umuryango wa WPC. Bikozwe mubikoresho 100% bya WPC, bikaba bihuza imigano yimigano no muri urugwiro resin, inzugi za WPC zizwiho imbaraga zidasanzwe no kuramba. Reka dusuzume impamvu imiryango ya WPC aribwo buryo bwiza kubashaka umuryango ukomeye kandi wizewe.