The expansion of the factory building has been completed [Medical Plastic Parts - Fluororesin Yōwa].

Proven track record in components for artificial dialysis system piping and beverage piping!

The characteristics of fluoropolymer, such as "non-stickiness (difficulty for components and dirt to adhere)," "high heat resistance," and "resistance to strong acids and alkalis," combined with Yowa's processing technology, have achieved a reduction in cleaning time. - The cleaning time for piping components carrying high-viscosity liquids has been shortened. - In piping used for producing multiple beverages, there is no adhesion of components, resulting in reduced residual odors from previously flowing beverages and shortened cleaning time. - Cleaning with hot water is desired for sterilization. Sterilization is needed in high-temperature environments. - The cleaning solution is resistant to strong acids and alkalis, leading to a reduction in cleaning time.

• plastic

Up to 70% smaller! Achieve downsizing of piping structures with weld-free piping that requires no assembly.

Through our unique PFA welding technology, we directly connect fittings to each other and join tubes to machined manifolds, forming a piping structure. - Fittings are directly connected, resulting in a more compact piping system. - Assembly is no longer required, reducing assembly labor. - There are no leaks due to the connection between fittings and tubes or the switch from welded piping. - By combining with machined products, multi-port manifolds can be achieved even in small diameters (Φ4 and above). - The number of parts has been reduced, leading to cost savings. - We can accommodate everything from small quantities to mass production by combining with machining and injection molding.

• plastic

For medical applications such as dialysis tubing, catheters, and endoscopes. For your medical device concerns, leave it to Yowa, specializing in fluoropolymer processing.

PFA welding is a joining method that differs from welding techniques, as it integrates the objects by heating and melting the joining surfaces and applying pressure. The joint area achieves strength equivalent to that of the base material, similar to welding methods. 【Characteristics of Fluoropolymer: "C-F Bond"】 Fluoropolymers have a strong bond between carbon (C) and fluorine (F) atoms known as the "C-F bond," which results in high bond energy and a chemically inert and stable molecular structure. This "C-F bond" provides characteristics such as heat resistance, chemical resistance, and non-stick properties, demonstrating excellent properties for medical device applications! ■ Cleanliness ■ Chemical resistance ■ Heat resistance ■ Non-stick ■ Elasticity 【Solving These Concerns!】 ■ Concerned about impurities leaching from the welded area / contamination residue... → Solved with PFA welding technology that "joins" using only heat and pressure without adhesives or solvents! ■ Want to reduce costs... → Possible to reduce the number of parts and significantly decrease piping installation effort and cleaning time. ■ Want to improve liquid leakage... → Solved with "PFA welding" that smooths the welded area! *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Composite Materials

We provide new solutions for dialysis tubing, catheters, and endoscopes.

Fluororesin has many excellent features such as cleanliness, chemical resistance, and non-stick properties, providing various benefits in medical applications. With years of processing experience and quality control capabilities, our company supplies high-quality parts in the medical field, where safety and reliability are required. Additionally, we offer a one-stop solution with in-house integrated support from prototyping to mass production. We manufacture products in an environment specialized for fluororesin processing. 【We solve these concerns!】 ■ I want to improve liquid leakage... 　→ Solved with "PFA welding"! ■ Contamination accumulates at the joints. I want to reduce cleaning time... 　→ Solved with the non-stick property of fluororesin + "PFA welding"! *For more details, please refer to the PDF document or feel free to contact us.

• Other physicochemical equipment
• Plastic utensils and containers
• Other polymer materials

Improved functionality with different material embedding and hollow structures! Expanding the possibilities of PTFE!

PTFE welding is a method of joining PTFE materials using heat and pressure. The bonded area has a strength equivalent to that of the base material. With PTFE welding, it is possible to create products with the following shapes by combining it with machining. 【Features of PTFE Welding】 ■ Embedding of Dissimilar Materials The characteristics of fluororesins and the dissimilar materials being embedded complement each other, enhancing functionality. ■ Formation of Flow Paths PTFE welding allows for the formation of flow paths within components. The flow path structure becomes compact, contributing to space-saving. ■ Clean Welding Method Since it joins using only heat and pressure, there are no impurities intervening, allowing fluororesins to exhibit their excellent characteristics in various environments.

• Other polymer materials

Of course, we are also skilled in processing super engineering plastics such as PEEK, polyimide, and PBI, in addition to fluororesins!

**Features of Precision Cutting Processing at Yōwa** - Machined products can be produced from a single piece without the need for molds. - The factory maintains a constant room temperature of 25°C ± 2°C, ensuring processing is conducted in a stable environment. - With a rich lineup of processing equipment, we can accommodate various product shapes. - We utilize 3D CAD and are capable of 5-axis machining. - We have a wide range of processing experience, from fluororesins to PP, PVC, PEEK, PI, and PBI. **Processing Examples** - Diaphragms ⇒ We select grades of fluororesin with excellent bending properties to achieve a uniform and smooth thin film. These are used as valve components in many industries, including semiconductors, analysis, and food sectors. - Bellows ⇒ These are fluororesin bellows with excellent expansion and contraction properties. They are used in piping, pumps, and cover components in high-cleanliness demanding fields such as medical and food industries. - Super Engineering Plastics (PEEK, Polyimide, PBI, etc.) ⇒ These are high-performance resins that far exceed the strength, heat resistance, and chemical resistance of general resins. Leveraging our extensive processing experience, we achieve high-precision machining of difficult-to-cut materials. We have numerous achievements in semiconductor and analytical device components.

• Other processing machines

From the selection of raw materials for diaphragms, bellows, and super engineering plastics! We provide high-quality products through processing techniques that include heat treatment.

Yoko is a processing manufacturer specialized in fluororesin, consistently handling everything from material molding to precision cutting and welding in-house. We are also skilled in precision cutting of super engineering plastics such as PI (Bespel), PBI (Cerazole), and PEEK. We select materials suited to the application and function, creating high-quality products through processing techniques that include heat treatment. We have numerous achievements in fields such as medical and analytical instruments, electronics, precision machinery, and transportation equipment. [Processing Examples] ● Diaphragm PTFE ● Bellows PTFE ● High-performance resins PEEK, PI, PBI *For more details, please download the PDF. Feel free to contact us as well.

• others

PTFE bonding PTFE welding technology

This is a method used for joining fluororesin, which is our specialty. Due to the excellent "non-stick" properties of conventional fluororesin, achieving reliable bonding has been considered very difficult. However, we have developed a unique technology that not only allows for reliable bonding of fluororesin but also realizes beadless welding, taking into account the functionality of piping components. (Patent pending) (Customer Benefits) ● It becomes more compact compared to conventional piping, allowing for downsizing of equipment. ● The labor required for our own piping installation can be significantly reduced. By maximizing the use of welded piping, the number of joints can be reduced by up to 70%* (*according to our calculations). ● It is suitable for short delivery times. ● Replacement during maintenance is easy. ● It allows for designs that are not constrained by conventional wisdom. ● In collaboration with Flowell Co., Ltd., we provide innovative piping components using PFA joints and joint welding processing.

• others

Thank you very much for your continued support. We, at Marpos Co., Ltd., regret to inform you that we will be closed during the following period. Closure Period: From Saturday, April 25, 2026, to Wednesday, May 6, 2025. Inquiries received during the closure period will be answered sequentially after Thursday, May 7. We apologize for any inconvenience this may cause and appreciate your understanding.

We would like to inform you about the business hours during the GW period, as well as order, shipping, and support services. Please download the PDF to check the schedule. ■ Regarding Orders 1) Orders can be placed at any time on the 【FOSS WEBSHOP】. Stock will be prioritized. 2) Please specify your "desired delivery date" when placing an order. 3) Due to expected high order volume and shipping delays before and after the holiday, please make your requests with ample time. ■ Regarding Customer Support For any malfunctions or issues during the holiday... Customers with maintenance contracts should contact the dedicated number for after-hours support. Other customers can reach us via email. Please provide details such as "model name," "serial number," "symptoms," and "contact person's name." Our customer support will contact you in the order of receipt. E-Mail: service@foss.co.jp

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

SPACECOOL Inc., which researches, develops, and sells the radiation cooling material "SPACECOOL" that releases heat into space to achieve zero-energy cooling, will exhibit at the "Jumbo Surprise Exhibition," a comprehensive trade fair for electrical materials and housing equipment, held at Tokyo Big Sight from April 17 (Friday) to April 18 (Saturday), 2026, and at Intex Osaka from April 24 (Friday) to April 25 (Saturday), 2026. This material is a new technology that enables zero-energy cooling by converting heat into infrared radiation and releasing it into space, without using any external power. By implementing it in outdoor air conditioning units and outdoor electrical equipment, it helps suppress internal temperature rises, contributing to stable operation of devices and reduction of air conditioning energy consumption, and is being recognized as a new carbon-neutral technology. Its energy-saving performance has been acknowledged, and this material received the 2025 Energy Conservation Award. When you visit the venue, please stop by our booth. Our booth number is 972 (common for both Tokyo and Osaka). We will continue to work towards expanding the social implementation of SPACECOOL to contribute to the stable operation of outdoor equipment and air conditioning units, as well as to reduce air conditioning energy consumption and CO2 emissions.