Establishments described in this report are primarily participating in the spiral membrane market. A spiral membrane comprises of a number of membrane 'envelopes' with 2 membrane sheets separated by a permeate spacer mesh, each glued to a central permeate collection tube.

海外成本高企或致供应受限，MDI 出口有望向好。截至2022 年6 月17 日，聚合MDI 收报18200 元/吨，处在历史价格的58.1%分位数，年初至今跌幅10.78%；纯MDI 收报21500 元/吨，处在历史价格的55.9%分位数，年初至今涨幅3.4%。短期MDI 出口增速虽有放缓，但国内以煤为主要能源的MDI 生产相比海外以天然气为主要能源的MDI 生产具有可观的成本优势。受原料、能源掣肘，海外MDI 装臵不可抗力事件频发，欧美MDI 价格不断走高。疫情背景下，我国聚合MDI 出口下降并不明显，根据百川盈孚数据，2022 年1-5 月国内聚合MDI 出口量约43.92 万吨，较去年同期下降3.6%。目前国内厂商均已复工，出口运输陆续恢复，叠加汇率影响，国内MDI 出口量有望向好。

需求短期内有望迎来转好，库存低位下，MDI、TDI 价格持续反弹。随着华东地区部分城市恢复正常经济活动，有望带来化工品需求的改善、且提振了现货市场买卖双方得信心。前期在疫情影响下，部分化工品产业链上下游持续去库，当前库存已处于低位，随着需求预期转好，供给端即将迎来集中检修，预计短期内供需将趋紧，盈利有望迎来改善。建议关注：MDI、TDI，相关标的：万华化学、沧州大化。

Establishments described in this report are primarily participating in the textile chemicals market. a chemical that is used to break down fibres so that they can be removed for purposes of patterning

Driven by new technologies and innovations, the medical device industry has become one of the biggest markets in healthcare. According to the US’s National Center for Biotechnology Information, medical devices and implant numbers have grown to the extent that there are over 1,700 types of devices and 50,000 approved medical devices in the US alone. Over the past decade, this extraordinary growth has led to the development of state-of-the-art health and medical instruments, ranging from simple tongue depressors and bedpans to complex programmable pacemakers with microchip technology and laser surgical devices.

Mineral oil is often a liquid by-product of refining crude oil to produce gasoline and other petroleum products. It is a colorless, odorless, light combination of higher alkanes from a mineral source, notably a petroleum distillate. Mineral oil is a chemical product sold over the counter that is manufactured from naturally occurring crude petroleum oil. Mineral oils are odorless, tasteless, colorless, and transparent liquids. They are also water-insoluble.

Establishments described in this report are primarily participating in the vitamins market. A vitamin is an organic molecule that is an essential micronutrient which an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet.

The market study aims at estimating the market size and the growth potential of this market. Topics analyzed within the report include a detailed breakdown of the global markets for sodium silicate by geography and historical trend. The scope of the report extends to sizing of the sodium silicate market and global market trends with market data for 2020 as the base year, 2021 and 2021 as the estimate years and forecast for 2023 with projection of CAGR from 2023 to 2028. Product shipments include the total value of all products produced and shipped by all producers. For selected products, this can represent value of receipts, value of production, or value of work done. Market data is provided in U.S. dollar value at global and regional levels, as well as local currencies for all countries.

展望下半年，国内外需求或将继续复苏，需密切关注俄乌冲突带来的全球化工品市场波动。而中长期维度，碳中和背景下的产业升级与集中度提升将是未来几年行业发展的主基调。我们维持行业强于大市评级，尤其看好现阶段农化及优秀一体化龙头公司。2022 年上半年，受到俄乌冲突等影响，全球大宗商品价格大幅上涨。国内化工PPI 指数高位运行，截止2022 年5 月27 日，重点跟踪的化工产品中2022年年内均价较2021 年均价上涨的产品占71%，上游油气、农化等子行业处于高景气周期中。