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菱和ダイヤモンド航空サービス

EstablishmentJune 1, 1961
capital5000Ten thousand
number of employees40
addressTokyo/Chiyoda-ku/6th Floor, Milene Jimbocho Building, 2-2 Kanda Jimbocho
phone03-6774-6857
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last updated:Jul 29, 2025
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菱和ダイヤモンド航空サービス List of Products and Services

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Overseas Travel Insurance: Marine Passport

Is the cost of treatment overseas higher than you think!? We offer a guarantee plan for peace of mind even if treatment costs are high.

"Overseas travel insurance" is a must when going on a business trip abroad. Many people think it's okay because it's included with their credit card, but is that really the case? Card-linked insurance often has various restrictions, such as requiring that the airline ticket be purchased with that card. That said, dealing with insurance companies can be a hassle, and it's easy to forget to sign up at the airport when you're busy before departure. For those of you, we recommend "Marine Passport," which allows you to easily complete the process online! Normally, travel insurance requires bank transfers, but with this plan, you can make payments via credit card on the web. Please feel free to get a quote and take advantage of it!

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Travel Option: Wi-Fi Rental

Super-fast 5G communication + unlimited! How about Wi-Fi rental for crisis management for business travelers?

What are your company's communication arrangements during overseas business trips? Not only for voice calls but also for checking emails and exchanging data... Nowadays, it's taken for granted to use the internet as usual even when abroad. That said, e-sim and international roaming can be a bit inconvenient. Free Wi-Fi abroad is often hard to connect to, and there are risks of information leaks... If you have rental Wi-Fi, those worries will disappear. With a flat-rate plan, you can use unlimited data without concern. Checking emails and social media is a breeze. Even if you get lost, you can use map apps anywhere, giving you peace of mind. As part of crisis management for business travelers, be sure to pack peace of mind in your pocket and head overseas!

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Opening of the Cruise Individual Consultation Room

If you are considering your first cruise trip, please feel free to consult with us! Our cruise master will listen to your stories.

~The port of call is coming from over there~ A journey where the scenery outside the window changes while staying at a resort hotel. After the COVID-19 pandemic, a new style of travel is being sought. Rather than rushing through tourist spots, many people have expressed a desire to enjoy their experiences slowly and thoroughly. The ultimate form of this slow life is "cruise travel." Not only can you spend leisurely time with family and friends, but recently, more companies have been utilizing cruise travel as part of their employee benefits. In response, we have established a "Cruise Individual Consultation Room." On the day, a Cruise Master, a specialist who has passed the Cruise Advisor certification exam, will listen to your stories. If you are interested, please feel free to contact us. We look forward to your visit.

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Information about Qatar Airways (QR) network.

Would you like to go out into the world via Doha, which is attracting global attention at the Soccer World Cup?

What kind of image do you have of traveling via the Middle East? "It seems like it would take a long time to transfer..." "I might get lost in a big airport..." Don't you have such images? In reality, it's a very compact and easy transfer, and from the transit point of Doha, you can conveniently connect to over 150 cities.

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Tips for Business Trips: Cambodia

We offer a wide range of hotels to suit your budget! We also have accumulated information and experience regarding VISA applications!

Cambodia is located on the Indochina Peninsula, sharing borders with Laos, Vietnam, and Thailand. It continues to experience stable economic growth at an annual rate of about 7% due to strong exports of products such as textiles, steady growth in the construction and service industries, and an increase in foreign direct investment. In recent years, urban areas such as Phnom Penh and Siem Reap have seen remarkable development, making the country a focus for business trips. Our company has accumulated information and experience regarding visa applications, and even during the COVID-19 pandemic, many customers have traveled to Cambodia. If you are considering a business trip to Cambodia, please feel free to contact us. 【Conditions for Entering Cambodia】 ■ A visa is required (Example) Business visa: passport, photo, application form, itinerary, invitation letter, etc. *Special procedures are required due to the COVID-19 pandemic. *For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: Ghana

Supporting visa application procedures even during the COVID-19 pandemic! We also offer overseas Wi-Fi rental!

The Republic of Ghana, with its capital in Accra. The main industries are agriculture (famous for cocoa bean production), mining (precious metals such as diamonds and gold, non-ferrous metals, and oil), and Japan provides development assistance in six areas: agriculture, economic infrastructure, health, education, public administration, and private development. In recent years, there are particularly high expectations for contributions to strengthening health and medical services. Our company has accumulated information and know-how for VISA applications, allowing us to support visa acquisition procedures even during the COVID-19 pandemic, enabling many customers to travel to Ghana. If you are considering a business trip to Ghana, please feel free to contact us. 【Conditions for entering Ghana】 ■ A VISA is required for entry (application form to be completed online, and appointment for application to be reserved) ■ A Yellow Card (proof of yellow fever vaccination) is required *For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips: Uzbekistan

We are here to assist you with your visa application! Many customers have traveled even during the COVID-19 pandemic.

Uzbekistan, where Eastern and Western cultures and a long history intersect, is located in Central Asia, almost at the midpoint of the Silk Road. Uzbekistan's main imports from Japan include automobiles such as buses and trucks, as well as machinery and parts, while its exports mainly consist of iron and non-ferrous metals. In recent years, it has gained attention for starting exports of dried fruits. Our company has facilitated travel to Uzbekistan for many customers even during the COVID-19 pandemic. We have accumulated information and know-how, so if you are considering a business trip to Uzbekistan, please feel free to contact us. 【Conditions for Entering Uzbekistan】 ■ No visa is required for stays of up to 30 days. ■ A visa is required for stays exceeding 30 days. *Currently, a visa is necessary (special procedures are required due to the COVID-19 pandemic). *For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: Israel

We are here to assist with your visa application! If you are considering a business trip, please feel free to contact us.

Israel is a republic located in West Asia. In terms of business, it is characterized by many companies with attractive technologies and services, as well as a high number of skilled personnel. There are no troubles at all in trade, such as product exports and parts imports, and tariffs are rather low. Additionally, the country has established an ecosystem to nurture startups, creating an environment where industry, government, and academia collaborate to support research and development. If you are considering a business trip to Israel, please feel free to contact us. 【Conditions for Entering Israel】 ■ No visa required for stays of up to 3 months ■ Passport must have at least 6 months of validity remaining at the time of entry, and there must be at least 2 blank pages for visas *For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: Mexico

We have accumulated information and know-how for visa applications! Ground arrangements such as hotels and cars are also possible.

Mexico (United Mexican States) has an area approximately five times that of Japan, with a population of about 126.19 million people. The main industries include manufacturing, represented by the export-oriented automotive industry, steel industry, and commerce. In particular, the automotive industry plays a crucial role in Mexico's economy. Many Japanese automotive manufacturers have established operations in states such as Guanajuato and Querétaro, and in recent years, many suppliers have also entered the Mexican market. Our company has accumulated information and know-how regarding visa applications, and we have supported many customers in obtaining visas to travel to Mexico even during the COVID-19 pandemic. If you are considering a business trip to Mexico, please feel free to contact us. 【Conditions for Entering Mexico】 ■ No visa is required for stays of up to 180 days. * If entering via the United States, ESTA travel authorization is required. * The length of stay is determined at the discretion of the immigration officer. * For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: Thailand

Supporting visa application procedures even during the COVID-19 pandemic! We have accumulated information and experience in visa applications.

The Kingdom of Thailand, known as the Land of Smiles, has Bangkok as its capital and is a constitutional monarchy with the king as the head of state. The official language is Thai. The people are kind and full of hospitality, and many Japanese residents live in the Si Racha district of Chonburi Province. Additionally, there are many Japanese company factories in Rayong, making the country increasingly attractive for both tourism and business. Our company has been supporting visa application procedures even during the COVID-19 pandemic, allowing many customers to travel, and we have accumulated information and experience regarding visa applications. If you are considering a business trip to Thailand, please feel free to contact us. 【Conditions for Entering Thailand】 ■ No visa is required for visiting Thailand for tourism. ■ A visa is generally required for business purposes. *Other special procedures may be necessary due to the COVID-19 pandemic. *For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: India

Even during the COVID-19 pandemic, many customers are traveling to India! We are here to assist with your VISA application.

India, which shares borders with Pakistan, China, Nepal, and Bangladesh, has a population of over 1.3 billion, making it the second most populous country in the world. Infrastructure development plans that actively incorporate private capital are underway, and currently, a high-speed railway utilizing Japanese technology is under construction. Additionally, India's main exports include petroleum products, gemstones, steel, and chemical-related products, while its major imports consist of crude oil and petroleum products, gemstones, and electrical equipment. Our company has facilitated travel to India for numerous customers even during the COVID-19 pandemic, and we have accumulated information and experience regarding VISA applications. If you are considering a business trip to India, please feel free to contact us. 【Conditions for Entering India】 ■ A VISA is required. For example, in the case of business, you will need an application form, a company recommendation letter, an invitation letter, and a photo. * Special procedures are required due to the COVID-19 pandemic. * For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: South Korea

We support visa application procedures even during the COVID-19 pandemic! We also handle ground arrangements such as hotels and cars.

The official name of the country is "Republic of Korea," and the main city of South Korea is Seoul. In terms of industry, the focus is on the electronics industry, shipbuilding industry, and automotive industry, but in recent years, there has also been a strong emphasis on the biopharmaceutical industry, which has seen a remarkable increase in export value over the past decade, making it a field to watch in the future. Our company has supported many customers in obtaining visas to travel to Korea even during the COVID-19 pandemic. If you are considering a business trip, please feel free to contact us. 【Conditions for Entering South Korea】 ■ If you obtain an electronic travel authorization (K-ETA), you do not need a visa for stays of up to 90 days. * A visa may be required depending on the purpose of travel. We also assist with obtaining K-ETA and visa applications. * For more details, please refer to the related links or feel free to contact us.

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Tips for Business Trips Abroad: Taiwan

Supporting visa application procedures even during the COVID-19 pandemic! We have accumulated information and know-how for visa applications.

The official name of the country is "China (Republic of China)," and it is sometimes abbreviated as ROC. It takes about 4 hours by plane from Japan. Its size is almost the same as that of Kyushu in Japan, and if you take the Taiwan High-Speed Rail, you can travel from Taipei to Kaohsiung in about an hour and a half. Our company has supported the visa application process even during the COVID-19 pandemic, allowing many customers to travel to Taiwan. We have accumulated information and know-how regarding visa applications, so if you are considering a business trip to Taiwan, please feel free to contact us. 【Conditions for Entering Taiwan】 ■ No visa is required for stays of up to 90 days. * A visa may be required depending on the purpose of travel. We also assist with visa applications. * For more details, please refer to the related links or feel free to contact us.

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Our four strengths: <Leave your travel arrangements to us>

All arrangements are completed in a "one-stop" manner! Multiple staff members are assigned as dedicated representatives for your company to assist you.

Here are four strengths of Ringo Diamond Airline Services. For a long time, we have served as the designated agent for JICA, supporting you through accumulated know-how in preparing necessary documents for pre-departure procedures and post-return settlements. Unexpected situations are a part of overseas business trips. Our company provides support through our "Japanese Emergency Support Desk," available 24/7, even while you are on your trip. Additionally, our staff members are rich in knowledge and experience, ensuring that we can meet your needs appropriately. 【Our Four Strengths】 ■ Designated agent for JICA ■ Reliable connection: "Emergency Support Desk" ■ Extensive experience in obtaining VISAs ■ Experienced dedicated representatives *For more details, please refer to the PDF document or feel free to contact us.

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For those having trouble with overseas business trips, we can handle all arrangements in one stop!

We can provide services according to your requests! Leave the fare negotiations with the airline to us!

Ryo-wa Diamond Airline Services has been engaged in business travel as a specialized travel agency for many years, working with numerous companies. For "international flight ticket arrangements," we offer speedy responses not only from dedicated personnel but also from multiple sub-staff members. We conduct data analysis for your business trips and can also negotiate fares with airlines on your behalf. Additionally, by utilizing IT tools, we strive to provide services from the customer's perspective. We encourage you to consider using our services on this occasion. 【Services (partial)】 ■ International flight ticket arrangements: Arranging tickets suitable for your business trips ■ Visa application assistance: Minimizing your workload ■ Hotel and ground arrangements: Arrangements according to your requests ■ Optional services: Overseas travel insurance, rental smartphones, Wi-Fi *For more details, please refer to the PDF document or feel free to contact us.

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BTM (Business Travel Management) service

We provide comprehensive support for business related to business trips!

We offer a comprehensive 'BTM (Business Travel Management) Service' that supports all aspects of business travel, from booking and arranging flights and hotels to managing and analyzing travel expenses and purchasing processes. Our service enables the reduction of travel costs, the streamlining of operations, and the enhancement of crisis management. "We find the application and procedures for overseas business trips cumbersome and want to minimize hassle." "I want to reduce costs associated with flights and hotels for business trips." We address common concerns related to business travel. Please feel free to consult us with your requests. 【We solve the following issues】 ■ Worrying about what might happen to employees at the travel destination. Not knowing how to handle troubles. ■ Difficulty in ensuring that travel expense regulations are understood within the company; management is challenging. ■ Lack of personnel in our company to manage and analyze business travel performance data. *For more details, please download the PDF or feel free to contact us.

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