Our women’s metal reading glasses are designed with different materials and patterns. The frame is elegant and classic, and the color is fashionable, which can meet the needs of most women.
Portable Residual chlorine colorimeter LH-C01 measuring range 0.00-3.00mg/l,is widely usd in the fields of waterworks,dringking water plant,sewage plant,river and lake water quality monitoring station,laboratory research,water treatment project,agriculutu
The dual gas path simultaneous comparison sampling method is used to improve the accuracy of sampling, which is suitable for the performance testing of bacterial filtration efficiency of medical surgical masks by metrological inspection departments, scien
This jacket is both an essential and a fashion accessory. With short sleeves, this clothes functions as a great layering piece. This open jacket falls from the shoulders, tapers slightly at the high waist, and flares just a touch around the high hip.Front
Gellan Gum is the extra-cellular polysaccharide produced by the gram-negative bacteria pseudomonas elodea that is separated from water lily,and is one of the microbia polysaccharides full of the development prospect in the recent years.