RPT can lid manufacturers ABOUT US TIANJIN TREE TECHNOLOGY DEVELOPMENT CO.,LTD was established in 2008, which is specialized in manufacturing and trading electronic tinplate(ETP) and tin free steel(TFS), with a capacity of 100,000 MT. The company is able to produce ETP or TFS with following specifications, thickness: 0.14-0.40 mm, width: 600-1020 mm, temper T2-T5 or DR8, annealing: CA/BA,tin...