Zhongshan Rizda Castor Manufacturing Co., Ltd. Iherereye mu Mujyi wa Zhongshan, mu Ntara ya Guangdong, umwe mu mijyi yo hagati ya Pearl River Delta, ifite ubuso burenga 10000. Ni uruganda rw’umwuga rukora amapine na Castor kugira ngo ruhe abakiriya ingano, ubwoko n’ubwoko bw’ibicuruzwa bitandukanye. Isosiyete yabanjirije iyi yari uruganda rwa BiaoShun Hardware, rwashinzwe mu 2008 rufite uburambe bw’imyaka 15 mu gukora no gukora ibikoresho.
Amapine ya polypropylene araramba kandi araramba, kandi ahenze cyane. Akoreshwa cyane cyane mu mashami, mu bubiko no mu bindi bikoresho byo kuyakoresha. Polypropylene (PP) yongerwaho ibikoresho bya Strive resin kugira ngo yongere ubushobozi bwo koroha no gusaza kw'amapine, bityo amapine akagira ubushobozi bwo kudakora neza kandi ntibikorohera kuyaca mu gihe akoreshwa, bigatuma ubuzima bw'amapine burushaho kuba bwiza. Hari utubumbe twinshi duto tw'icyuma dukikije shaft center mu gice cy'umupira w'amaguru abiri, bityo uburyaryate buba buto kandi nta mavuta asohoka,
1. Ntabwo ari uburozi kandi nta mpumuro igira, ni iy'ibikoresho birinda ibidukikije, kandi ishobora kongera gukoreshwa.
2. Ifite ubushobozi bwo kurwanya amavuta, kurwanya aside, kurwanya alkali n'ibindi bintu biyiranga. Ibintu bisanzwe bisukura ibinyabuzima nka aside na alkali ntacyo bigiraho ingaruka.
3. Ifite imiterere yo gukomera, gukomera, kudacika intege no kudacika intege, kandi imikorere yayo ntigira ingaruka ku bushyuhe.
4. Ikwiriye gukoreshwa ku butaka butandukanye; Ikoreshwa cyane mu gutunganya uruganda, mu bubiko no mu bikoresho, mu nganda zikora imashini n'izindi nganda; Ubushyuhe bwo gukora ni - 15~80 ℃.
5. Ifite umupira uramba kandi irinda gusaza.