ZHENJIANG BRIGHT VISION CO., LTD., who can research, design, produce and sale about optical glasses series products is an international combined company. The company is located in DANYANG CHINA. DANYANG is the hometown of optical glasses production in the whole world. The economy of DANYANG is advanced and boom for her geographic location and transportation point in CHINA. DANYANG is the link of Beijing and Shanghai. The Beijing-Shanghai high-speed railway is through DANYANG north station. For ...