Company Overview
Firsquare Japan Co., Ltd. specialises in waste gas treatment systems for industries such as semiconductors, pharmaceuticals, and nuclear power. The company operates production facilities in Suzhou, Wuxi, and Wuhan.
Its main products include VOC waste gas treatment systems, stainless steel Teflon piping, stainless steel piping, galvanised piping, as well as dampers and valves. Firsquare has received several international and domestic certifications, including FM Certification, AMCA Certification, and ISO 45001 Certification, among others.
About Us
Company Name | Firsquare Japan Co., Ltd. |
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Date of Establishment | January 28, 2025 |
Address | Room 128, 20F, Yokohama Landmark Tower, 2-2-1 Minatomirai Nishi-ku, Yokohama, Kanagawa 220-0012,Japan |
Phone Number | 045-277-3838 |
Capital Stock | 10 million yen |
Services | Ventilation air conditioning equipment Dampers Equipment accessories Electronic components |
Company History

Specialising in handling waste gas treatment systems for semiconductor processes, pharmaceutical, and nuclear companies,
Firsquare Japan Co., Ltd.
Speech of the Representative
Firsquare Japan Corporation was established on January 28, 2025, as a subsidiary of Firsquare Environmental Technology (Hong Kong) Ltd. We are dedicated to providing the highest quality products that our customers can trust, drawing on the experience and achievements we have gained in the international community. We will continue to enhance customer satisfaction by improving our service capabilities, with a focus on convenience, variety, and reliability. As we strive for greater goals every day, the Firsquare Group looks forward to the continued support of our valued customers in the years to come. We aim to grow alongside our customers, guided by our management philosophy of integrity. We are committed to offering the best service to our customers in Japan and internationally, serving them with all our hearts.
Representative Director


Affiliated companies


Production Centers
Our production centres in Suzhou, Wuxi, and Wuhan, China, enable us to swiftly meet the diverse needs of our customers.





Company Name | Firsquare Environmental Technology (HK) Co., Limited |
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Date of Establishment | May 29, 2023 |
Address | Room 1318-19, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, HK |
Phone Number | (00852) 27108200 |
Services | Ventilation and air conditioning Danpers Accessories Electronic Components |


Company Name | Firsquare Environmental Technology (Jiangsu) Co., Ltd. |
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Date of Establishment | February 6, 2017 |
Address | No.359,Maopeng Rd,Wuzhong District,Suzhou City,Jiangsu Province P.R.China |
Phone Number | (00852) 27108200 |
Services | Technology development, technology transfer, technical consulting and technical services in the specialized fields of environmental protection technology, energy-saving technology and environmental protection equipment. Design, manufacture, processing and sales of environmental protection equipment, ventilation ducts and accessories, mechanical equipment and parts. Installation of electrical equipment and ventilation ductwork. Damper and research and development. Manufacture of painting equipment. Sales of painting equipment. Import/export and agency of various products and technologies |