QINGDAO LAOSU BUILDING MATERIAL GROUP CO.,LTD.

jQINGDAO LAOSU BUILDING MATERIAL GROUP IS SPECIALIZED IN PRODUCING PLASTIC BUILDING MATERIALS.IT IS A LARGE-SCALE ENTERPRISE IN CHINA'S PLASTIC DOOR AND WINDOW INDUSTRY.OUR MAIN PRODUCTS INCLUD LAOSU BRAND PVC PROFILE,REINFORCED PVC DOOR&WINDOW,CPE ?ETC.WELLCOME INQUIRY!WEBSITE?WWW.LAOSUPVC.COM