正和産業 Company Overview

【Delivery Achievements: Products for Electronics and Semiconductors】 - Heat-resistant and chemical-resistant O-rings (FFKM) - Seals for semiconductor manufacturing equipment/analysis testing equipment - Seals for mass flow controllers (FKM/NBR/EPDM/CR) - Seals for vacuum plasma equipment (NBR) While there is a cry for a shortage of rubber raw materials, fluororubber (FKM) and silicone rubber (Si) are gradually becoming available, and we are also supplying a significant amount of EPDM, which has been a concern regarding supply volume. If you are having trouble procuring O-rings or various seal gaskets, please feel free to contact us, as we are capable of press manufacturing under a two-shift system!

Our company manufactures products from rubber materials through cutting processes, allowing us to produce from a single piece without the need for a prototype mold. Video viewing is also available! Seiwa Sangyo Co., Ltd. manufactures synthetic rubber/resin seals (gaskets) and sells mass-produced items ranging from single prototypes to tens of thousands of units to a wide range of customers nationwide. If you send us your drawings, we will confirm whether production is possible, and if so, we will provide a quotation. 【Features】 ■ Reduces molding defects and material loss ■ High quality and high performance ■ Contributes to cost rationalization

We specialize in the production of resin machining products that are extremely difficult to machine in three-dimensional shapes or require high dimensional accuracy. 【Business】 Seiwa Sangyo Co., Ltd. manufactures synthetic rubber/resin seal (packing) products and sells mass-produced items ranging from single prototypes to tens of thousands of units to a wide range of customers nationwide. 【Machining Capabilities】 We can handle materials from the five major engineering plastics to super engineering plastics such as PEEK and PTFE. If you send us your drawings, we will confirm whether production is possible, and if so, we will provide you with a quotation. Please feel free to contact us.