Nanjing Paint Canto Surveying Co.,Ltd.(PCSURVEYING) is located in Nanjing China and we are the agent ofNanjing OP optics Co., Ltd,professionalsales all kinds of high precision opticalparts,surveying instruments and accessories. With the experiences fromCPG Optics, our company has two subsidiaries: Nanjing EffectElectro-optic Technology Co., Ltd and Nanjing Precise Way TradingCo., Ltd which has the right of import and export trade. We providesolid technical support, production guarantee and the best servicesfor you. PWT committed to the top mission of Quality Paramountsince its foundation and qualified by several global hi-end opticalcustomers as the core strategic partner.   Our product series include corner cube prisms, roof prisms, pentaprisms, right angle prisms, less Φ400 flat reflectors and masterblocks at 30°, 45°, 60° and 90°.   Our corporate mission is loyalty, professionalism, top quality andbest service. We are sincerely looking forward to cooperate withthe customers from all over the globe.Â