国产亚洲欧美日韩俺去了,人妻无码久久精品,亚洲人成影院在线观看,亚洲AV永久无码精品表情包

意大利Hanna Instruments 哈納      
意大利哈納儀器成立于1978年，二十多年來(lái)傾心為全世界用戶(hù)服務(wù)，現已成為全球公認的品牌水質(zhì)分析儀器，在美國、意大利、葡萄牙和新加坡等國家設立有科研機構和生產(chǎn)工廠(chǎng)，并且在14個(gè)國家成立了銷(xiāo)售辦事處，隨時(shí)注意客戶(hù)的需要，反應市場(chǎng)的需要，堅持不懈的開(kāi)發(fā)新產(chǎn)品，這就是哈納儀器成功的重要因素。

Hanna Instruments is a worldwide manufacturer of instrumentation for water quality, water and wastewater treatment, and laboratories. We can measure pH, conductivity, dissolved oxygen, salinity, turbidity, COD, chlorine, temperature and about 40 other parameters. Products include test kits, testers, portable and bench meters, probes, ion selective electrodes, and on-line instruments for measurement and control. Hanna Instruments - Instrumental to your business.