Zhongshan Rizda Castor Manufacturing Co., Ltd. dake cikin birnin Zhongshan na lardin Guangdong, daya daga cikin tsakiyar tsakiyar kogin Pearl Delta, mai fadin fili fiye da murabba'in mita 10000. ƙwararrun masana'anta ne na ƙafafu da Castors don samarwa abokan ciniki da nau'ikan girma, nau'ikan da nau'ikan samfuran don aikace-aikace iri-iri. Magabacin kamfanin shine Kamfanin BiaoShun Hardware Factory, wanda aka kafa a cikin 2008 wanda ke da shekaru 15 na samar da ƙwararru da ƙwarewar masana'antu.
RIZDA CASTOR yana aiwatar da daidaitaccen daidaitaccen tsarin ingancin ISO9001, kuma yana sarrafa haɓaka samfura, ƙirar ƙira da masana'anta, stamping hardware, gyare-gyaren allura, gyare-gyaren allura, gyare-gyaren allura, simintin ƙarfe, jiyya na ƙasa, taro, kula da inganci, marufi, warehousing da sauran fannoni daidai da daidaitattun daidaito. matakai.