... and tear 4.warranty 1year oem make cell phone case with pc,tpu...You supply concept and design,we make mould ,then ... employee’s more than 500 persons. HW concentrate on Design, Manufacture and Service of Cutting Dies, Stamping Molds and Injection Molds ... 1year warranty*with high-qualified mold R&D engineers,processing technician,injection molding engineer...etc*we concentrate on Design,Manufacture and ...