理化工業 List of Products and Services

We would like to introduce the "One-Stop Service" provided by Rika Kogyo Co., Ltd. By utilizing our extensive technology network, we can assist our customers in reducing management costs and shortening lead times by consolidating not only heat treatment and painting but also other processing services. This service allows us to manage all processes of surface treatment, including heat treatment, in one place, helping our customers reduce management costs and shorten lead times. 【Features】 ■ Confirmation of the progress status of each arrangement ■ Schedule management for delivery dates, etc. ■ Arrangement of transportation, and more *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other contract services
• paint

We would like to introduce the painting services provided by Rika Kogyo Co., Ltd. In the painting department, we propose painting techniques that we have cultivated over many years, aiming to contribute to the creation of a comfortable society by enhancing beauty and adding functionality. We handle various types of painting, including "painting of screw and bolt heads," "painting of metal products," and "painting of nuts, washers, and rivets." 【Features】 ■ Proposing painting techniques cultivated over many years in the painting department ■ Enhancing beauty and adding functionality ■ Aiming to contribute to the creation of a comfortable society *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other contract services
• paint

We would like to introduce the "heat treatment" conducted by Rika Chemical Industry Co., Ltd. We ensure the strength of various machine parts and propose safety for the community. We can accommodate everything from prototype parts to mass production lots, with a particular focus on small lots (under 50 kg) and medium lots (300-400 kg). We handle various heat treatments, including "carburizing quenching and tempering," as well as "annealing" and "solution treatment." 【Features】 ■ Ensures the strength of various machine parts and proposes safety for the community ■ Capable of handling everything from prototype parts to mass production lots ■ Particularly skilled in processes for small lots (under 50 kg) and medium lots (300-400 kg) *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Other contract services

Rika Kogyo celebrated its 50th anniversary in 2019. We have been able to continue our business thanks to the support of local small and medium-sized enterprises. We take pride in our ability to provide our customers with the finest "detailed service" performed by our people. One aspect of this is our one-stop service that includes in-house heat treatment and painting, as well as a wide range of outsourced processing, covering everything from material modification to surface treatment. Another aspect is our capability to respond to "small quantities, diverse varieties, and short delivery times." In this era of diversification, we will listen to our customers' voices more than ever and enhance our "detailed service." [Business Activities] ■ Metal heat treatment processing ■ Painting processing ■ Various heat treatment, surface modification, and surface processing through a collaborative network *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract