Which materials of baby bottles is better? 1.Glass baby bottles Glass baby bottles are characterized by safety, BPA-free, high corrosion resistance and thermal insulation. Glass
Choose the right glass water bottle and the water will taste better. Glass water bottle is a colorless and transparent household glassware. The glass water
Insulation principle of vacuum flask The modern thermos flask was invented by British physicist Sir James Duval in 1892. At that time, he was conducting
Difficulty in choosing is a common symptom of many people nowadays. It manifests itself in hesitation and entanglement. In fact, in the final analysis, it
Babies are unwilling to touch water bottles at first. Parents should demonstrate patiently and teach their children how to use water bottles correctly. In principle,
Generally, boiling water in a glass water bottle is better than in a plastic water bottle. Glass water bottles are relatively stable, while plastic water
PP plastics (polypropylene) is another excellent resin variety developed after nylon. It is a linear polymer with high density, no side chain and high crystallization,
Food grade plastic should be chosen for plastic water bottles In recent years, plastic cups are popular with many people because of their changeable shapes,