ʻO Qingdao Wenrun Holding Co., Ltd. aia ma Qingdao Kina he mea hoʻolālā a me ka mea hoʻolako.Ke nānā nei mākou i ka hana a me ka mākeke o PVC TPO a me ka membrane EPDM no ka ʻōnaehana hale, ka liner EPDM no ka ʻōnaehana loko.Ma ka manawa like, hāʻawi mākou i kahi lawelawe hoʻokahi o nā mea pili (seam tape, uhi uhi, hoʻoponopono lipine, prefabricated corner, drainage, scupper, fastener, plates, hoʻopau bar, U bar, nā mīkini welding, hoʻokomo i nā mea hana etc.) ʻōnaehana pā hale, ʻōnaehana hale ʻōmaʻomaʻo, ʻōnaehana hale photovoltaic a me ka ʻōnaehana anti-seepage loko.