ʻO Shanghai Joysun Machinery & Electric Equipment Manufacture Co., Ltd. i hoʻopaʻa ʻia i ka hui ʻo Shanghai Joysun, he ʻoihana ʻenehana kiʻekiʻe ma Shanghai. Aia ka hui ma ka hikina o Zhangjiang Hi-Tech Industry Garden, Pudong New Area; a he lālā kona ma Dubai.

Manaʻo nui nā limahana o Joysun he moku ka ʻoihana, ʻoiai ʻo ka maikaʻi o ka huahana ke alakaʻi. Mai kona hoʻokumu ʻia ʻana i ka makahiki 1995, pili nā limahana Joysun āpau i ka maikaʻi o ka huahana e like me ke ola, a no laila ua hoʻolaʻa ʻia i ka noiʻi a me ka hoʻomohala ʻana i ka ʻume wai, nā mīkini hoʻoheheʻe plastik a me nā mīkini hoʻopiha inu.