Zhongshan Rizda Castor Manufacturing Co., Ltd. yomwe ili ku Zhongshan City, Province la Guangdong, umodzi mwamizinda yapakati pa Pearl River Delta, yomwe ili ndi malo oposa 10000 sq. Ndi katswiri wopanga mawilo ndi Castors kuti apatse makasitomala osiyanasiyana makulidwe, mitundu ndi masitayilo azinthu zamitundu yosiyanasiyana. Omwe adatsogolera kampaniyo anali BiaoShun Hardware Factory, yomwe idakhazikitsidwa mu 2008 yomwe yakhala ndi zaka 15 zaukadaulo wopanga komanso luso lopanga.
RIZDA CASTOR mosamalitsa zimagwiritsa ISO9001 khalidwe dongosolo muyezo, ndi amalowerera mankhwala chitukuko, nkhungu kapangidwe ndi kupanga, hardware mitundu, jekeseni akamaumba, zotayidwa aloyi kufa kuponyera, mankhwala pamwamba, msonkhano, kulamulira khalidwe, ma CD, warehousing ndi mbali zina malinga ndi standardized. njira.