point shandong punio water treatment technology co., ltd. is a high-tech enterprise specializing in the research, development, design, production and sales of water treatment products. its products include scale inhibitors, reverse osmosis scale inhibitors, corrosion inhibitors, etc. diverse, guaranteed quality, reasonable price, perfect after-sales service 3 with the courses, 35 campuses are spread across east china, and tens of thousands of students benefit from it. new science education is a university without walls. 30 of