Min. Order Reference FOB Price
1 dozen US$6.49-8.11 / dozen
Product Description
Material Diameter(mm) Edge thickness(mm) Focal length(mm) MO 20 3 45 25 3 45 30 3 45 Nantong Purui Technical Instrument Co., Ltd. is one of the largest professional manufacturers of chemical glass equipments in China. The company specializes in designing, producing and manufacturing of biological ...