The popular science exhibition hall is an important window for people to learn scientific knowledge and understand the current status of scientific achievements. By visiting the popular science exhibition hall, the public can constantly enrich and improve
Specification: 800mesh 1000mesh 2000mesh 3000meshLatin name:Camellia Sinensis LAppearance: Green fine PowderApplication:Used in food additives,beverage, cosmetics Sample:20g freeService:24 hours online serviceShipment: On time deliveryCertificates: ISO, H
350ml double wall outdoor thermos flask, double wall structure keeps the contents warm or cold for a longer duration (up to 12 hours). Good insulation and lasting effect allows you take it outdoors for a longer time. Healthy 304 stainless steel for inner