Please visit our Taobao/淘宝：https://shop57165790.taobao.com/index.htm?spm=a1z10.1-c.w5002-1279044965.2.78e4973fWDE53m Shanghai LanHong measuring instrument Co., Ltd is a private enterprise, which was established in Shanghai in 2008. We provide customers the most suitable products and supporting services under a sound management system with the tenet of "customer first, reputation first", we also hope to establish more long-term good relations of cooperation with same industry.