No direct website orders
This website, LINE, and email accept inquiries only. Every service requires a site review and formal quotation. After the customer confirms the contract by email, signed scan, or fax and pays in full, we send a contract formation notice.
Business operator
- Operator
- Yoshinn Co., Ltd.
- Representative
- Liang LiYe
- Starlink service manager
- Liang LiYe
- Address
- 〒377-1612
2265-47 Omae, Tsumagoi, Agatsuma, Gunma, Japan - Telephone
- 080-2678-5981
- Phone hours
- 09:00–18:00
- Closed
- Saturday and Sunday
- starlink@yoshinn.com
- Qualified invoice registration no.
- T1011401024800
Websites & inquiry channels
- Company website
- www.yoshinn.com
- Starlink service website
- starlink.yoshinn.com
- LINE
- Scan the QR code on the home page. A site video sent through LINE can be reviewed free of charge.
- Customers accepted
- Individuals, companies, event venues, worksites, lodging businesses, and other commercial customers.
- Invoices
- Proper invoices are available for rentals, equipment purchases, and installation work.
Paid site survey
- Preliminary LINE video review
- Free. Used to review sky visibility, obstructions, and the proposed installation point. It is not a formal survey or installation guarantee.
- On-site survey fee
- Normally JPY 11,000 including tax; JPY 5,500 within 5 km of the trial site. Pay in cash on site.
- Survey items
- Obstructions, mounting location, power, cable routing, fixing method, and Wi-Fi coverage.
- Coverage area
- Karuizawa, Kita-Karuizawa, Tsumagoi, Naganohara, Miyota, and the Komoro area. Travel costs for more distant areas are agreed separately.
- Other fees
- Parking and expressway tolls are charged separately.
- Survey fee deduction
- The survey fee is not deducted from later rental or installation charges.
- Cancellation & weather
- No cancellation fee is charged if the customer cancels the survey. Weather cancellations are rescheduled.
Quotation, contract & payment
- After the site review, we itemize equipment, materials, rental, and installation services and send a formal quotation. The quotation is valid for 7 days.
- The customer may confirm by email, signed scan, or fax. Direct ordering without a survey and formal quotation is not accepted.
- The contract is formed when we receive the signed contract and full payment and send a formation notice.
- Payment is by bank transfer or cash and is generally made as one payment of 100% of the contract total.
- We pay the bank transfer fee. Settlement details are stated in the quotation or payment notice.
Purchase & installation
- Standard purchase process:Customer pays in full → Yoshinn purchases equipment → installation and testing → customer email linked → ownership transferred → customer management.
- After ownership transfer, the customer owns and manages the equipment and account. This does not apply to rental equipment.
- Starlink account management and operations are not included by default. If required, both parties sign a separate agreement defining scope, fees, account permissions, and termination.
- Starlink equipment, cameras, mounting hardware, materials, cabling, setup, and work charges are itemized separately.
- Reference installation prices: ground placement JPY 20,000; yard pole JPY 50,000; standard roof JPY 70,000; high roof JPY 90,000.
- Special mounting, extra cabling, power work, Wi-Fi extenders, and newly identified work are quoted separately and performed after approval.
- After contract and full payment confirmation, delivery or work is generally scheduled from 10 business days. The date depends on equipment arrival, weather, and bookings.
- Equipment warranty follows the manufacturer's terms. Workmanship warranty: 1 year. Maintenance includes basic connection checks, setup advice, remote support, and equipment status checks. Site visits, parts, and additional work are not included.
Starlink rental terms
Mini｜100MJPY 5,500/dayTax included | Minimum 1 day
Standard｜100MJPY 7,700/dayTax included | Minimum 1 day
200 Mbps long-term planFormal quotationMinimum 1 month
- Multi-day discount
- Mini and Standard rentals of 3 days or more qualify for a discount. Ask by LINE or email.
- Delivery
- JPY 2,000 each way.
- Installation & removal
- Quoted separately according to location and site conditions.
- Deposit
- JPY 20,000. Return conditions and possible deductions are specified in the rental contract and handover confirmation.
- Late return
- Charged at 1.2 times the applicable daily rental rate.
- Equipment condition
- Equipment and accessories are checked at handover and return. Damage, water ingress, loss, theft, and missing accessories are handled under the rental contract.
- Connection performance
- Actual speed and stability depend on the environment, obstructions, weather, time, and network congestion. Fixed speeds are not guaranteed.
Cancellation & refunds
- Within 8 hours of contract formation:For customer-requested cancellation, 15% of the contract total is charged for administration and booking cancellation; the balance is refunded.
- More than 8 hours after contract formation:We begin ordering equipment and materials. Ordered non-returnable Starlink equipment, cameras, dedicated mounts, cables, and other materials are non-refundable.
- Unperformed services:A cancellation fee of 15% of that portion is charged for installation, cabling, and setup; the balance is refunded.
- Completed services:Completed surveys, work, setup, and other services are non-refundable.
- Cancellation caused by us:If we cannot perform the contract, unincurred costs are refunded. Equipment defects, delivery errors, or workmanship issues are handled by replacement, rework, or refund under the contract.
Equipment procurement, rental cancellation, damage compensation, and special construction conditions follow the formal quotation and contract. Applicable law prevails where required.