The preventive vaccines market has attained maturity in some of the disease segments, like polio, while for some diseases, it is yet to establish itself in the market. In spite of these differences in each segment, the market is continuously growing, due to the exponential growth that is varying, with respect to the demand for vaccination for separate diseases over time.

A chimney cap is a covering for the top of a chimney and is used in both residential and commercial environments. It is equipped with flue cover, crown, and mesh, which is installed upon flue located on chimney chase. Chimney caps are also known as chimney tops, chimney toppers, and flue caps. It comes in stainless steel or copper body to prevent water penetrations due to rain and snowfall. It is majorly used in industries where the industrial furnace and steam-generating boiler are installed.

3 月份，新材料行业运行平稳，高温合金产量大幅增长；多晶硅产量逐渐恢复；稀土催化材料产量平稳增长；动力电池装机总电量为 5.09GWh，同比增长 145%。进出口方面，受国内经济放缓和抢跑效应消退影响，光电材料进出口金额都开始放缓；特钢进口和出口同比双双下滑；碳纤维进口增速回暖，出口波动较大。投融资方面，科创板有望成为新材料企业的融资高地。价格方面，化工新材料价格略有下滑、特钢受汽车需求回暖影响小幅回升；多晶硅在需求旺盛的带动下逐渐回暖，价格触底反弹。资本市场方面，随着股市反弹，新材料板块继续上涨。