Our specialist team, focused on glass manufacturing,
responds to customer needs at a high standard.
Reliable glass manufacturing backed by proven expertise
We have provided subcontract manufacturing services specialized in glass production. We have a strong track record across diverse fields, including decorative glass and industrial components. With advanced technical capabilities and strict quality control, we have earned trust both in Japan and overseas. We offer flexible responses to customer requirements, with a production system that supports everything from small-lot to mass production. Our skilled specialist team supports manufacturing end-to-end and delivers optimal solutions.
■ Insulating Glass Manufacturing and Assembly
We manufacture and assemble insulating glass by sealing dry air or argon gas between two panes, providing excellent thermal insulation, soundproofing, and condensation prevention.
■ Sheet Glass Processing (Cutting)
We cut various types of sheet glass with high precision using dedicated equipment, including clear glass, patterned glass (Kasumi), wired glass, and Low-E glass, to dimensions suitable for insulating glass production.
We visualize progress in each process to achieve both on-time delivery and quality.
We maintain stable quality through standardized inspection criteria and continuous improvement.
We enforce safety education and risk control to aim for zero accidents.
Manufacturing, processing, and packaging of housing materials and related materials through subcontract work; computer system development; hardware and software development, design, manufacturing, sales, operation management, facility maintenance, automation, and related consulting; interpretation and translation services.
Started transactions with a glass manufacturer and began participating in manufacturing operations inside the plant.
Launched our own production line inside the plant and started full-scale insulating glass manufacturing.
Expanded production lines to improve manufacturing capacity.
Set up a new office within the factory premises to improve operational efficiency and workplace environment.
Expanded the manufacturing area including cutting processes, further strengthening production capabilities.
| Company Name | World Alliance Co., Ltd. |
|---|---|
| Head Office | 5-12-9 Higashi-Jonan, Oyama-shi, Tochigi 323-0829, Japan |
| Tsurumi Office | 2-3-1 Namamugi, Tsurumi-ku, Yokohama-shi, Kanagawa 230-0052, Japan |
| Phone | 0285-37-9043 |
| Fax | 0285-37-9048 |
| Main Banks | Ashikaga Bank, Oyama-Higashi Branch Ashikaga Oyama Shinkin Bank, Jonan Branch |
| Representative | Yoichi Kotsubo |
| Major Clients | AGC Glass Products Co., Ltd. Kowa Co., Ltd. Unipas Co., Ltd. World Joint Co., Ltd. Taiyo Corporation Cooperative Union Gran |
| Capital | 18 million JPY |
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