1 Market Overview
1.1 Optical Fiber Material Introduction
1.2 Market Analysis by Type
1.2.1 Overview: Global Optical Fiber Material Revenue by Type: 2017 Versus 2021 Versus 2028
1.2.2 Germanium Tetrachloride
1.2.3 Silicon Tetrachloride
1.2.4 Others
1.3 Market Analysis by Application
1.3.1 Overview: Global Optical Fiber Material Revenue by Application: 2017 Versus 2021 Versus 2028
1.3.2 Communication Industry
1.3.3 Medical Industry
1.4 Global Optical Fiber Material Market Size & Forecast
1.4.1 Global Optical Fiber Material Sales in Value (2017 & 2021 & 2028)
1.4.2 Global Optical Fiber Material Sales in Volume (2017-2028)
1.4.3 Global Optical Fiber Material Price (2017-2028)
1.5 Global Optical Fiber Material Production Capacity Analysis
1.5.1 Global Optical Fiber Material Total Production Capacity (2017-2028)
1.5.2 Global Optical Fiber Material Production Capacity by Geographic Region
1.6 Market Drivers, Restraints and Trends
1.6.1 Optical Fiber Material Market Drivers
1.6.2 Optical Fiber Material Market Restraints
1.6.3 Optical Fiber Material Trends Analysis
2 Manufacturers Profiles
2.1 Umicore
2.1.1 Umicore Details
2.1.2 Umicore Major Business
2.1.3 Umicore Optical Fiber Material Product and Services
2.1.4 Umicore Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.2 JSC Germanium
2.2.1 JSC Germanium Details
2.2.2 JSC Germanium Major Business
2.2.3 JSC Germanium Optical Fiber Material Product and Services
2.2.4 JSC Germanium Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.3 Indium Corporation
2.3.1 Indium Corporation Details
2.3.2 Indium Corporation Major Business
2.3.3 Indium Corporation Optical Fiber Material Product and Services
2.3.4 Indium Corporation Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.4 Teck Metals
2.4.1 Teck Metals Details
2.4.2 Teck Metals Major Business
2.4.3 Teck Metals Optical Fiber Material Product and Services
2.4.4 Teck Metals Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.5 Yunnan Germanium
2.5.1 Yunnan Germanium Details
2.5.2 Yunnan Germanium Major Business
2.5.3 Yunnan Germanium Optical Fiber Material Product and Services
2.5.4 Yunnan Germanium Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.6 Guojing Advanced Materials
2.6.1 Guojing Advanced Materials Details
2.6.2 Guojing Advanced Materials Major Business
2.6.3 Guojing Advanced Materials Optical Fiber Material Product and Services
2.6.4 Guojing Advanced Materials Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.7 Yunnan Chihong Zinc & Germanium
2.7.1 Yunnan Chihong Zinc & Germanium Details
2.7.2 Yunnan Chihong Zinc & Germanium Major Business
2.7.3 Yunnan Chihong Zinc & Germanium Optical Fiber Material Product and Services
2.7.4 Yunnan Chihong Zinc & Germanium Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.8 DuPont
2.8.1 DuPont Details
2.8.2 DuPont Major Business
2.8.3 DuPont Optical Fiber Material Product and Services
2.8.4 DuPont Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.9 Momentive
2.9.1 Momentive Details
2.9.2 Momentive Major Business
2.9.3 Momentive Optical Fiber Material Product and Services
2.9.4 Momentive Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.10 Air Products and Chemicals
2.10.1 Air Products and Chemicals Details
2.10.2 Air Products and Chemicals Major Business
2.10.3 Air Products and Chemicals Optical Fiber Material Product and Services
2.10.4 Air Products and Chemicals Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.11 Thermo Fisher Scientific
2.11.1 Thermo Fisher Scientific Details
2.11.2 Thermo Fisher Scientific Major Business
2.11.3 Thermo Fisher Scientific Optical Fiber Material Product and Services
2.11.4 Thermo Fisher Scientific Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.12 American Elements
2.12.1 American Elements Details
2.12.2 American Elements Major Business
2.12.3 American Elements Optical Fiber Material Product and Services
2.12.4 American Elements Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.13 Ereztech
2.13.1 Ereztech Details
2.13.2 Ereztech Major Business
2.13.3 Ereztech Optical Fiber Material Product and Services
2.13.4 Ereztech Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.14 FUJIFILM
2.14.1 FUJIFILM Details
2.14.2 FUJIFILM Major Business
2.14.3 FUJIFILM Optical Fiber Material Product and Services
2.14.4 FUJIFILM Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.15 Santa Cruz Biotechnology
2.15.1 Santa Cruz Biotechnology Details
2.15.2 Santa Cruz Biotechnology Major Business
2.15.3 Santa Cruz Biotechnology Optical Fiber Material Product and Services
2.15.4 Santa Cruz Biotechnology Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.16 ProChem
2.16.1 ProChem Details
2.16.2 ProChem Major Business
2.16.3 ProChem Optical Fiber Material Product and Services
2.16.4 ProChem Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.17 Gelest
2.17.1 Gelest Details
2.17.2 Gelest Major Business
2.17.3 Gelest Optical Fiber Material Product and Services
2.17.4 Gelest Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.18 Otto Chemie
2.18.1 Otto Chemie Details
2.18.2 Otto Chemie Major Business
2.18.3 Otto Chemie Optical Fiber Material Product and Services
2.18.4 Otto Chemie Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.19 Grinm Advanced Materials
2.19.1 Grinm Advanced Materials Details
2.19.2 Grinm Advanced Materials Major Business
2.19.3 Grinm Advanced Materials Optical Fiber Material Product and Services
2.19.4 Grinm Advanced Materials Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
2.20 Wuhan New Silicon Technology
2.20.1 Wuhan New Silicon Technology Details
2.20.2 Wuhan New Silicon Technology Major Business
2.20.3 Wuhan New Silicon Technology Optical Fiber Material Product and Services
2.20.4 Wuhan New Silicon Technology Optical Fiber Material Sales, Price, Revenue, Gross Margin and Market Share (2019, 2020, 2021, and 2022)
3 Optical Fiber Material Breakdown Data by Manufacturer
3.1 Global Optical Fiber Material Sales in Volume by Manufacturer (2019, 2020, 2021, and 2022)
3.2 Global Optical Fiber Material Revenue by Manufacturer (2019, 2020, 2021, and 2022)
3.3 Key Manufacturer Market Position in Optical Fiber Material
3.4 Market Concentration Rate
3.4.1 Top 3 Optical Fiber Material Manufacturer Market Share in 2021
3.4.2 Top 6 Optical Fiber Material Manufacturer Market Share in 2021
3.5 Global Optical Fiber Material Production Capacity by Company: 2021 VS 2022
3.6 Manufacturer by Geography: Head Office and Optical Fiber Material Production Site
3.7 New Entrant and Capacity Expansion Plans
3.8 Mergers & Acquisitions
4 Market Analysis by Region
4.1 Global Optical Fiber Material Market Size by Region
4.1.1 Global Optical Fiber Material Sales in Volume by Region (2017-2028)
4.1.2 Global Optical Fiber Material Revenue by Region (2017-2028)
4.2 North America Optical Fiber Material Revenue (2017-2028)
4.3 Europe Optical Fiber Material Revenue (2017-2028)
4.4 Asia-Pacific Optical Fiber Material Revenue (2017-2028)
4.5 South America Optical Fiber Material Revenue (2017-2028)
4.6 Middle East and Africa Optical Fiber Material Revenue (2017-2028)
5 Market Segment by Type
5.1 Global Optical Fiber Material Sales in Volume by Type (2017-2028)
5.2 Global Optical Fiber Material Revenue by Type (2017-2028)
5.3 Global Optical Fiber Material Price by Type (2017-2028)
6 Market Segment by Application
6.1 Global Optical Fiber Material Sales in Volume by Application (2017-2028)
6.2 Global Optical Fiber Material Revenue by Application (2017-2028)
6.3 Global Optical Fiber Material Price by Application (2017-2028)
7 North America by Country, by Type, and by Application
7.1 North America Optical Fiber Material Sales by Type (2017-2028)
7.2 North America Optical Fiber Material Sales by Application (2017-2028)
7.3 North America Optical Fiber Material Market Size by Country
7.3.1 North America Optical Fiber Material Sales in Volume by Country (2017-2028)
7.3.2 North America Optical Fiber Material Revenue by Country (2017-2028)
7.3.3 United States Market Size and Forecast (2017-2028)
7.3.4 Canada Market Size and Forecast (2017-2028)
7.3.5 Mexico Market Size and Forecast (2017-2028)
8 Europe by Country, by Type, and by Application
8.1 Europe Optical Fiber Material Sales by Type (2017-2028)
8.2 Europe Optical Fiber Material Sales by Application (2017-2028)
8.3 Europe Optical Fiber Material Market Size by Country
8.3.1 Europe Optical Fiber Material Sales in Volume by Country (2017-2028)
8.3.2 Europe Optical Fiber Material Revenue by Country (2017-2028)
8.3.3 Germany Market Size and Forecast (2017-2028)
8.3.4 France Market Size and Forecast (2017-2028)
8.3.5 United Kingdom Market Size and Forecast (2017-2028)
8.3.6 Russia Market Size and Forecast (2017-2028)
8.3.7 Italy Market Size and Forecast (2017-2028)
9 Asia-Pacific by Region, by Type, and by Application
9.1 Asia-Pacific Optical Fiber Material Sales by Type (2017-2028)
9.2 Asia-Pacific Optical Fiber Material Sales by Application (2017-2028)
9.3 Asia-Pacific Optical Fiber Material Market Size by Region
9.3.1 Asia-Pacific Optical Fiber Material Sales in Volume by Region (2017-2028)
9.3.2 Asia-Pacific Optical Fiber Material Revenue by Region (2017-2028)
9.3.3 China Market Size and Forecast (2017-2028)
9.3.4 Japan Market Size and Forecast (2017-2028)
9.3.5 Korea Market Size and Forecast (2017-2028)
9.3.6 India Market Size and Forecast (2017-2028)
9.3.7 Southeast Asia Market Size and Forecast (2017-2028)
9.3.8 Australia Market Size and Forecast (2017-2028)
10 South America by Region, by Type, and by Application
10.1 South America Optical Fiber Material Sales by Type (2017-2028)
10.2 South America Optical Fiber Material Sales by Application (2017-2028)
10.3 South America Optical Fiber Material Market Size by Country
10.3.1 South America Optical Fiber Material Sales in Volume by Country (2017-2028)
10.3.2 South America Optical Fiber Material Revenue by Country (2017-2028)
10.3.3 Brazil Market Size and Forecast (2017-2028)
10.3.4 Argentina Market Size and Forecast (2017-2028)
11 Middle East & Africa by Country, by Type, and by Application
11.1 Middle East & Africa Optical Fiber Material Sales by Type (2017-2028)
11.2 Middle East & Africa Optical Fiber Material Sales by Application (2017-2028)
11.3 Middle East & Africa Optical Fiber Material Market Size by Country
11.3.1 Middle East & Africa Optical Fiber Material Sales in Volume by Country (2017-2028)
11.3.2 Middle East & Africa Optical Fiber Material Revenue by Country (2017-2028)
11.3.3 Turkey Market Size and Forecast (2017-2028)
11.3.4 Egypt Market Size and Forecast (2017-2028)
11.3.5 Saudi Arabia Market Size and Forecast (2017-2028)
11.3.6 South Africa Market Size and Forecast (2017-2028)
12 Raw Material and Industry Chain
12.1 Raw Material of Optical Fiber Material and Key Manufacturers
12.2 Manufacturing Costs Percentage of Optical Fiber Material
12.3 Optical Fiber Material Production Process
12.4 Optical Fiber Material Industrial Chain
13 Sales Channel, Distributors, Traders and Dealers
13.1 Sales Channel
13.1.1 Direct Marketing
13.1.2 Indirect Marketing
13.2 Optical Fiber Material Typical Distributors
13.3 Optical Fiber Material Typical Customers
14 Research Findings and Conclusion
15 Appendix
15.1 Methodology
15.2 Research Process and Data Source
15.3 Disclaimer
世界の光ファイバー材料市場2022年:四塩化ゲルマニウム、四塩化ケイ素、その他 |
【英語タイトル】Global Optical Fiber Material Market 2022 by Manufacturers, Regions, Type and Application, Forecast to 2028 | |
![]() | ・商品コード:GIR22NO4587 ・発行会社(調査会社):GlobalInfoResearch ・発行日:2022年11月2日(※2025年版があります。お問い合わせください。) ・ページ数:120 ・レポート言語:英語 ・レポート形式:PDF ・納品方法:Eメール(注文後2-3日) ・調査対象地域:グローバル ・産業分野:化学&材料 |
Single User(1名様閲覧用) | USD3,480 ⇒換算¥522,000 | 見積依頼/購入/質問フォーム |
Multi User(20名様閲覧用) | USD5,220 ⇒換算¥783,000 | 見積依頼/購入/質問フォーム |
Corporate User(同一法人内共有可) | USD6,960 ⇒換算¥1,044,000 | 見積依頼/購入/質問フォーム |
※販売価格オプションの説明 ※お支払金額:換算金額(日本円)+消費税 ※納期:即日〜2営業日(3日以上かかる場合は別途表記又はご連絡) ※お支払方法:納品日+5日以内に請求書を発行・送付(請求書発行日より2ヶ月以内に銀行振込、振込先:三菱UFJ銀行/H&Iグローバルリサーチ株式会社、支払期限と方法は調整可能) |
光ファイバー材料市場レポートは、世界の市場規模、地域および国レベルの市場規模、セグメント市場の成長性、市場シェア、競争環境、販売分析、国内および世界の市場プレーヤーの影響、バリューチェーンの最適化、最近の動向、機会分析、市場成長の戦略的な分析、製品発売、地域市場の拡大などに関する情報を提供します。 GlobalInfoResearchの最新の調査によると、世界の光ファイバー材料の市場規模は2021年のxxx米ドルから2028年にはxxx米ドルと推定され、xxx%の成長率で成長すると予想されます。 光ファイバー材料市場は種類と用途によって区分されます。2017年~2028年において、量と金額の観点から種類別および用途別セグメントの売上予測データを提供します。この分析は、適格なニッチ市場をターゲットにすることでビジネスを拡大するのに役立ちます。 種類別セグメントは次をカバーします。 ・四塩化ゲルマニウム、四塩化ケイ素、その他 用途別セグメントは次のように区分されます。 ・通信産業、医療産業 世界の光ファイバー材料市場の主要な市場プレーヤーは以下のとおりです。 ・Umicore、JSC Germanium、Indium Corporation、Teck Metals、Yunnan Germanium、Guojing Advanced Materials、Yunnan Chihong Zinc & Germanium、DuPont、Momentive、Air Products and Chemicals、Thermo Fisher Scientific、American Elements、Ereztech、FUJIFILM、Santa Cruz Biotechnology、ProChem、Gelest、Otto Chemie、Grinm Advanced Materials、Wuhan New Silicon Technology 地域別セグメントは次の地域・国をカバーします。 ・北米(米国、カナダ、メキシコ) ・ヨーロッパ(ドイツ、フランス、イギリス、ロシア、イタリア) ・アジア太平洋(日本、中国、韓国、インド、東南アジア、オーストラリア) ・南アメリカ(ブラジル、アルゼンチン、コロンビア) ・中東およびアフリカ(サウジアラビア、UAE、エジプト、南アフリカ) 本調査レポートの内容は計15章あります。 ・第1章では、光ファイバー材料製品の調査範囲、市場の概要、市場の成長要因・阻害要因、および市場動向について説明します。 ・第2章では、主要な光ファイバー材料メーカーの企業概要、2019年~2022年までの光ファイバー材料の価格、販売量、売上、市場シェアを掲載しています。 ・第3章では、主要な光ファイバー材料メーカーの競争状況、販売量、売上、世界市場シェアが重点的に比較分析されています。 ・第4章では、2017年~2028年までの地域別光ファイバー材料の販売量、売上、成長性を示しています。 ・第5、6章では、2017年~2028年までの光ファイバー材料の種類別と用途別の市場規模、市場シェアと成長率を掲載しています。 ・第7、8、9、10、11章では、2017年~2022年までの世界の主要国での販売量、売上、市場シェア、並びに2023年~2028年までの主要地域での光ファイバー材料市場予測を収録しています。 ・第12章では、主要な原材料、主要なサプライヤー、および光ファイバー材料の産業チェーンを掲載しています。 ・第13、14、15章では、光ファイバー材料の販売チャネル、販売業者、顧客、調査結果と結論、付録、データソースなどについて説明します。 ***** 目次(一部) ***** ・市場概要 - 光ファイバー材料の概要 - 種類別分析(2017年vs2021年vs2028年):四塩化ゲルマニウム、四塩化ケイ素、その他 - 用途別分析(2017年vs2021年vs2028年):通信産業、医療産業 - 世界の光ファイバー材料市場規模・予測 - 世界の光ファイバー材料生産能力分析 - 市場の成長要因・阻害要因・動向 ・メーカー情報(企業概要、製品概要、販売量、価格、売上) - Umicore、JSC Germanium、Indium Corporation、Teck Metals、Yunnan Germanium、Guojing Advanced Materials、Yunnan Chihong Zinc & Germanium、DuPont、Momentive、Air Products and Chemicals、Thermo Fisher Scientific、American Elements、Ereztech、FUJIFILM、Santa Cruz Biotechnology、ProChem、Gelest、Otto Chemie、Grinm Advanced Materials、Wuhan New Silicon Technology ・メーカー別市場シェア・市場集中度 ・地域別市場分析2017年-2028年 ・種類別分析2017年-2028年:四塩化ゲルマニウム、四塩化ケイ素、その他 ・用途別分析2017年-2028年:通信産業、医療産業 ・光ファイバー材料の北米市場 - 種類別市場規模2017年-2028年 - 用途別市場規模2017年-2028年 - 主要国別市場規模:アメリカ、カナダ、メキシコなど ・光ファイバー材料のヨーロッパ市場 - 種類別市場規模2017年-2028年 - 用途別市場規模2017年-2028年 - 主要国別市場規模:ドイツ、イギリス、フランス、ロシア、イタリアなど ・光ファイバー材料のアジア市場 - 種類別市場規模2017年-2028年 - 用途別市場規模2017年-2028年 - 主要国別市場規模:中国、日本、韓国、インド、東南アジア、オーストラリアなど ・光ファイバー材料の南米市場 - 種類別市場規模2017年-2028年 - 用途別市場規模2017年-2028年 - 主要国別市場規模:ブラジル、アルゼンチンなど ・光ファイバー材料の中東・アフリカ市場 - 種類別市場規模2017年-2028年 - 用途別市場規模2017年-2028年 - 主要国別市場規模:サウジアラビア、トルコ、エジプト、南アフリカなど ・原材料および産業チェーン ・販売チャネル、流通業者・代理店、顧客リスト ・調査の結果・結論 |
The Optical Fiber Material market report provides a detailed analysis of global market size, regional and country-level market size, segmentation market growth, market share, competitive Landscape, sales analysis, impact of domestic and global market players, value chain optimization, trade regulations, recent developments, opportunities analysis, strategic market growth analysis, product launches, area marketplace expanding, and technological innovations.
According to our (Global Info Research) latest study, due to COVID-19 pandemic, the global Optical Fiber Material market size is estimated to be worth US$ million in 2021 and is forecast to a readjusted size of USD million by 2028 with a CAGR of % during forecast period 2022-2028. Communication Industry accounting for % of the Optical Fiber Material global market in 2021, is projected to value USD million by 2028, growing at a % CAGR in next six years. While Germanium Tetrachloride segment is altered to a % CAGR between 2022 and 2028.
Global key manufacturers of Optical Fiber Material include Umicore, JSC Germanium, Indium Corporation, Teck Metals, and Yunnan Germanium, etc. In terms of revenue, the global top four players hold a share over % in 2021.
Market segmentation
Optical Fiber Material market is split by Type and by Application. For the period 2017-2028, the growth among segments provide accurate calculations and forecasts for sales by Type and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
Market segment by Type, covers
Germanium Tetrachloride
Silicon Tetrachloride
Others
Market segment by Application can be divided into
Communication Industry
Medical Industry
The key market players for global Optical Fiber Material market are listed below:
Umicore
JSC Germanium
Indium Corporation
Teck Metals
Yunnan Germanium
Guojing Advanced Materials
Yunnan Chihong Zinc & Germanium
DuPont
Momentive
Air Products and Chemicals
Thermo Fisher Scientific
American Elements
Ereztech
FUJIFILM
Santa Cruz Biotechnology
ProChem
Gelest
Otto Chemie
Grinm Advanced Materials
Wuhan New Silicon Technology
Market segment by region, regional analysis covers
North America (United States, Canada and Mexico)
Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
South America (Brazil, Argentina, Colombia, and Rest of South America)
Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
The content of the study subjects, includes a total of 15 chapters:
Chapter 1, to describe Optical Fiber Material product scope, market overview, market opportunities, market driving force and market risks.
Chapter 2, to profile the top manufacturers of Optical Fiber Material, with price, sales, revenue and global market share of Optical Fiber Material from 2019 to 2022.
Chapter 3, the Optical Fiber Material competitive situation, sales, revenue and global market share of top manufacturers are analyzed emphatically by landscape contrast.
Chapter 4, the Optical Fiber Material breakdown data are shown at the regional level, to show the sales, revenue and growth by regions, from 2017 to 2028.
Chapter 5 and 6, to segment the sales by Type and application, with sales market share and growth rate by type, application, from 2017 to 2028.
Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales, revenue and market share for key countries in the world, from 2017 to 2022.and Optical Fiber Material market forecast, by regions, type and application, with sales and revenue, from 2023 to 2028.
Chapter 12, the key raw materials and key suppliers, and industry chain of Optical Fiber Material.
Chapter 13, 14, and 15, to describe Optical Fiber Material sales channel, distributors, customers, research findings and conclusion, appendix and data source.
★調査レポート[世界の光ファイバー材料市場2022年:四塩化ゲルマニウム、四塩化ケイ素、その他] (コード:GIR22NO4587)販売に関する免責事項を必ずご確認ください。 |
★調査レポート[世界の光ファイバー材料市場2022年:四塩化ゲルマニウム、四塩化ケイ素、その他]についてメールでお問い合わせ |