Company Name Shandong Star Source Tower Co.LTD About Us Shandong star sShandong Star Source Tower Co.LTDce tower Co.LTD is the production of 500kV transmission line tower and large diameter LSAW pipe of professional manufacturers. Founded in 1985, 2008, moved to Gaomi city Chaoyang Subdistrict, the company location and convenient transportation.LSAW steel pipe, API 5L jcoe steel pipeLSAW Steel Pipe Manufacturing procedure In order to supply high quality LSAW steel pipe for our clients, weve established a highly sound and strenuous pipe production circulation. After the above-mentioned processes, begin the double-sided submerged arc