ʻO Zhongshan Rizda Castor Manufacturing Co., Ltd. aia ma Zhongshan City, Guangdong Province, kekahi o nā kūlanakauhale kikowaena o ka Pearl River Delta, e uhi ana i kahi o 10000 square meters. He mea hana loea o nā huila a me nā Castors e hāʻawi i nā mea kūʻai aku i nā ʻano nui, nā ʻano a me nā ʻano o nā huahana no nā noi like ʻole. ʻO ka mea mua o ka hui ʻo BiaoShun Hardware Factory, i hoʻokumu ʻia ma 2008 i loaʻa iā 15 mau makahiki o ka hana ʻoihana a me ka ʻike hana.
Hoʻokō koʻikoʻi ʻo RIZDA CASTOR i ka ISO9001 quality system standard, a mālama i ka hoʻomohala ʻana i ka huahana, ka hoʻolālā ʻana a me ka hana ʻana, ka hoʻoheheʻe ʻana i nā lako, ka hoʻoheheʻe ʻana, ka hoʻoheheʻe ʻana i ka alumini, ka mālama ʻana i ka ʻili, ka hui ʻana, ka mana maikaʻi, ka hoʻopili ʻana, ka hale kūʻai a me nā mea ʻē aʻe e like me ka standardized. kaʻina hana.