ABOUT
About SUITOUSHA
SUITOUHSA has evolved through manufacturing tube assembly since its operation in 1938. SUITOUSHA specialize for hydraulic pipes that can be attached to construction machinery.
About Location
Headquarter located in "Kobe High-Tech Park" in Nishi-ku, Kobe. 5 factories located in Hyogo Prefecture and 3 factories located overseas (CHINA and the Philippines).
About Business partners
SUITOUSHA has business with the world's major companies, and the business are expanding from Asia to Europe and the United States. SUITOUSHA continues to aim for further growth as a global company that connects the world.
BUSINESS
01. Manufacturing tube assembly
Manufacturing quality and safety
with confidence and pride
We have a system that can manufacture various types of tube assembly for construction machinery, from a variety of small items to mass-produced products.
We meet a wide range of needs focusing on tube processing from Φ6.25 mm to 114.3 mm.
In addition to high-pressure tubes and low-pressure tubes, we manufacture various types of products such as thin-walled exhaust tubes, small-diameter tubes, and handrails.
Introduction of technology
Quick delivery and high quality products
for our customers.
One of the strengths of SUITOUSHA is that it can be done all processes "Top to Bottom" in supply chain of tube assembly processing.
①Top Level process 【Design】 →②Middle Level process 【Cutting / Bending / Welding / Painting of pipes】 →③Bottom Level process 【Assembly of piping and other hydraulic equipment】 →Consistently perform to supply it by "JUST IN TIME"
02. Machinery sales
We are sale and service agent of major Taiwan machine manufacturers in Japan, and propose industrial machines that meet the customer needs, mainly bending machines, machining centers, terminal processing machines, robots, and cutting machines.
03. Aircraft lease
Based on the relationship of trust built by SUITOUSHA, which manufactures and sells tube assembly around the world, SUITOUSHA entered the field of aircraft leasing since 2015 to expand our business in order to play the role of a pipe in the world.
COMPANY
Affiliated company
SUITOU Group handles mass-produced products
and custom-made products from top to bottom.
SUITOU Group is a diversified corporate group with a strong foundation in long-standing partnerships with leading construction machinery and heavy industry manufacturers. Leveraging these relationships, we operate across a wide spectrum of businesses, ranging from mass production and bespoke manufacturing to infrastructure maintenance and aircraft leasing.
At the core of the Group, SUITOU delivers end-to-end hydraulic piping solutions for construction machinery, encompassing design, precision processing, assembly, and supply. Supported by a global production network, we respond with agility to market volatility and evolving global demand.
SEC Co., Ltd. enhances the Group’s engineering capabilities by providing one-stop solutions for custom plant equipment and engaging in early-stage collaboration on mass production projects, ensuring efficiency and optimized outcomes.
NEO DAISEI Co., Ltd. underpins regional infrastructure in Hyogo Prefecture through comprehensive road maintenance, facility management, and traffic control services.
In March 2026, Nippon Nozzle Co., Ltd.—Japan’s first spinneret manufacturer with advanced microfabrication technologies—joined the Group, further strengthening our technological capabilities in ultra-precision processing.
Through strategic diversification and continuous capability enhancement, SUITOU Group is reinforcing a resilient business portfolio and driving sustainable, long-term growth.
SEC Co.,Ltd.
Provide the One stop service, From design to production and installation.
NEO DAISEI Co.,Ltd.
From maintenance to traffic management, Our goal is make a comport and safety on the ROAD.
Wuxi Suitou Machinery Co.,Ltd.(WSM)
Suitou Hydraulic Tube (Changzhou) Co., Ltd.(STC)
Wuxi Suitou Hydraulic Research & Design Co.,Ltd.(SRD)
Onaga Suitou Precise Machinery (Changzhou) Co.,Ltd.(OSC)
Suitou Philippines,Inc.(SPI)
JAPAN
CHINA
PHILIPPINES