Okinawa Cast Iron Industry Co., Ltd.

As part of the promotion and modernization of small and medium-sized enterprises, merged three companies: Yoshikawa Castings Industry, Asato Foundry, and Marushin Castings Factory to establish Okinawa Cast Iron Industry Co., Ltd.

Established a factory at the current location (3,000 tsubo site) and commenced operations

Obtained certification as a factory from Nippon Telegraph and Telephone Public Corporation

Joined the Japan Ductile Iron Association

Factory expansion (225 tsubo)

Construction of a new company building

Received recognition as a superior tax-paying corporation from Kita-Naha Tax Office

Joined the Japan Ground Manhole Industry Association

Obtained certification as a factory from the Japan Sewerage Association

Received certification for ductile iron covers from the Public Architecture Association

Obtained ISO 9001:2000 certification

Certified as Yui-kuru materials (iron covers)

Constructed waste plastic factory

Certified as Yui-kuru materials (waste plastics)

Introduced automatic molding machines, sand processing equipment, and waste sand recycling equipment