About

About Seikaku Technical Group Ltd About Seikaku Technical Group Ltd. Seikaku Technical Group Limited SEIKAKU stands as a prominent company in the P.A. System industry. Our assembly factory in China, established in 1990, reflects our commitment to quality. With over 40 years of experience in P.A., our robust quality management system ensures excellence throughout the manufacturing and testing processes. We take pride in offering a comprehensive product line that adheres to environmentally friendly standards, including ISO9001:2000, ISO/TS 16949:2002, and ISO14000 regulations. Seikaku Technical Group Limited Seikaku Technical Group Limited