Shaanxi tiantianupward glasses Co., Ltd., also known as Tiantian glasses, tiantianupward glasses and tiantianupward glasses maintenance, was established in February 2018, focusing on glasses maintenance and laser welding technology. It is equipped with comprehensive refractometer, focimeter, central instrument, slit lamp, fundus lens, synoptophore, automatic edging machine, laser machine, etc. it provides professional optometry, glasses maintenance (laser welding pure titanium, titanium alloy, gold, aluminum, copper, stainless steel and all other metal spectacle frames) services and [glasses clock] platform investment and operation services. [laser welding, the first in Northwest China]!