How to judge genuine silk from the artificial ones?
                             Peiertech
                                will exhibit at the CMEF show in Shanghai China ,held on October 19th through
                                Octoberth
                                22nd, 2020, Booth 1.1K09.We welcome the opportunity to meet with you at our
                                Booth1.1K09.
                                Look forward to meet with you on the show.Peiertech produces nitinol materials and
                                components, performs expert la