JSA has played a key role in developing johkasou technologies and being as an information center of johkasou severing for improving installation, maintenance and operation of johkasou systems.
英
美
- 本協(xié)會(huì )的宗旨是促進(jìn)凈化槽的研究開(kāi)發(fā)和新技術(shù)的發(fā)展，作為凈化槽技術(shù)的信息基地，為提高凈化槽的質(zhì)量，以及凈化槽施工和維護管理技術(shù)服務(wù)。
