1.Re moetsi oa litsebi le morekisi oa liphaephe tsa tšepe.

2. re entse kopo mme ra fumana dipatente tse 3. (Phaephe ya Groove, Phaephe ya Mahetla le Phaephe ya Victaulic)

3. Lisebelisoa tsa rona tsa tlhahiso li kenyelletsa mela e 4 ea lihlahisoa tse entsoeng ka galvanized pele, mela e 8 ea lihlahisoa tsa tšepe tsa ERW, mela e 3 ea ts'ebetso ea galvanized e qoelitsoeng ka ho chesa)

4. Tlhahiso ea selemo le selemo ea liphaephe tse fapaneng e feta lithane tse likete tse 300. E akaretsa phaephe e chitja ea 15-457mm. Phaephe e sekwere ea 10*10–1000*1000mm, phaephe e khutlonnetsepa ea 10*15–500*1000mm, e nang le botenya ba 0.8–30mm.

5. Feme ea rona e haufi le Kou ea Tianjin. Likhilomithara tse 40 feela.