INHUANGDAO TONGYU BUILDING MATERIALS CO., LTD. IS SPECIALIZING IN FIBERGLASS MESH,FIBERGLASS SELF ADHESIVE TAPE,GLASS WOOL, AND OTHER BUILDING MATERIALS AND THERMAL INSULATION MATERIALS SO ON.OUR COMPANY HAS BEEN COMMITTED TO ENERGY-SAVING ENVIRONMENTAL PROTECTION PROJECTS; ALWAYS ADHERE TO THE “INTEGRITY AND WIN-WIN” FOR THE PURPOSE OF THE ENTERPRISE, “TECHNOLOGY AND SERVICES” FOR THE FOUNDING OF THE COMMUNITY SPIRIT AND THE FORMATION OF A COMPLETE SERVICE SYSTEM.