Winter Vacation: December 29, 2021 (Wednesday) to January 3, 2022 (Monday) We sincerely apologize for any inconvenience, but we will be taking winter vacation during the above period. For inquiries during the vacation period, we will respond after January 4 (Tuesday). Thank you for your understanding.

We are pleased to announce the "Ryuki Online Exhibition 2020" hosted by our company. <<Access it here!>> https://onlineexpo.world/ryuki/ Date: November 24 (Tuesday) - 27 (Friday) - Special product videos will be released! - Solve problems on the spot! Chat function - Download materials - Business negotiations can also be accepted! New products will also be unveiled! 【New Product 1】 Disaster and Emergency Water Purification Device - Purifies water drawn from rivers, irrigation channels, ponds, and pools (assuming raw water turbidity of 3000mg/l) for use as domestic water, showers, and high-pressure cleaning. - Filters and clarifies water, capable of purifying 540 liters per hour! Shower usage is 9 liters/min (usable for 60 minutes). 【New Product 2】 Virus Inactivation Portable Ventilation Equipment "Moterun desu." - Addresses the challenges of hand-carry dust collectors by achieving both processing air volume and cleanliness. - Captures submicron particles with a high-cleanliness filter comparable to HEPA, and incorporates an ozone generator for virus inactivation. - The largest processing air volume in the industry for hand-carry types (30m³/min). We look forward to your visit.

Our company will be exhibiting at the "International Powder Technology Exhibition Tokyo 2020" held at Tokyo Big Sight. Exhibition Name: International Powder Technology Exhibition Tokyo 2020 Date: November 18 (Wednesday) - 20 (Friday) 9:30 AM - 5:00 PM Venue: Tokyo Big Sight, South Exhibition Hall Our Booth Number: U-06 Pre-registration for visitors can be done here >> https://www.powtex.com/tokyo/visit/index.php?CD=PMZGR At the venue, we will showcase various products including the "Daku-Kan" dewatering and drying equipment for advanced powder materials, the "ECO Clean" MF turbidity treatment device, and the "O Micron III" ozone microbubble generator. ★ New product debut ★ Virus inactivation portable ventilation equipment "Moterun desu." - Achieves a balance between processing air volume and cleanliness, which was a challenge for hand-carry dust collectors. - Collects sub-micron particles with a high cleanliness filter comparable to HEPA, and incorporates an ozone generator for virus inactivation. - Filter replacement is as simple as wrapping it around the main unit. - The largest processing air volume in the industry for hand-carry models (30 m³/min).

In response to the government's lifting of the "state of emergency," we will implement the following measures: 1. Business Hours As usual, from 9:00 AM to 6:00 PM. 2. Attendance Method - Normal attendance will resume from June 1. - Some employees, such as those caring for children or who are pregnant, may work from home or have reduced hours. 3. Main Initiatives for Infection Prevention and Control - Daily temperature checks and recording of contacts will be conducted. - Employees with symptoms such as a fever of 37.5°C or higher, fatigue, cough, or changes in taste or smell should stay home. - Thorough handwashing and disinfection will be required upon entering the office. 4. Shipping Information Due to the circumstances of the transportation companies, there may be changes or delays in delivery dates and times. We apologize for any inconvenience this may cause and appreciate your understanding of the current situation.

We sincerely apologize for the inconvenience, but we are implementing changes to our business operations as outlined below, and we appreciate your understanding. 1. Business Hours As usual, from 9:00 AM to 6:00 PM 2. Attendance Method - Partial remote work for all departments (currently in effect) - Shift work (currently in effect) 3. Implementation Period From March 2, 2020, to May 10, 2020 (Subject to automatic renewal based on situation assessment) 4. Shipping Cut-off Time Due to the circumstances of the shipping company, there may be changes or delays in delivery dates and times.

Winter Vacation: December 28, 2019 (Saturday) to January 5, 2020 (Sunday) We sincerely apologize for any inconvenience, but we will be taking our winter vacation during the above period. Regarding inquiries during the vacation period, we will respond after January 6 (Monday). Thank you for your understanding.

We sincerely apologize for the inconvenience, but we will be taking our winter holiday during the following period: December 29 (Saturday) to January 3 (Thursday). Please note that any inquiries made during the holiday period will be responded to after January 4 (Thursday). Thank you for your understanding.

Thank you for consulting with us about wastewater treatment at the 2017 New Environmental Exhibition the other day. We would like to participate in your company's efforts towards "problem-solving." We have introduced our exhibited products on our company website. http://www.ryuki.com/original/water_treatment/index.html When making inquiries, we would appreciate it if you could fill out the attached sheets. - Water Treatment Equipment Introduction Hearing Sheet - Water Treatment Equipment Sample Test Request Sheet If you have any questions or concerns, please do not hesitate to let us know. We are also looking forward to your inquiries via email or our toll-free number. Email address: eigyobu@ryuki.com Toll-free number: 0120-449-881 We look forward to your continued support.