Zhongshan Rizda Castor Manufacturing Co., Ltd. Dị na Zhongshan City, Guangdong Province, otu n'ime obodo etiti nke Pearl River Delta, na-ekpuchi ihe karịrị square maters 10000. Ọ bụ ọkachamara na-emepụta wiil na Castors iji nye ndị ahịa ọtụtụ nha, ụdị na ụdị ngwaahịa maka ọtụtụ ojiji. Onye bu ụlọ ọrụ ahụ ụzọ bụ BiaoShun Hardware Factory, nke e hiwere na 2008 nke nwere ahụmịhe afọ 15 nke mmepụta na nrụpụta ọkachamara.
Ibu nke katọ naịlọn dị mfe, iguzogide igwe dị obere, ntụgharị ahụ na-agbanwe agbanwe, ojiji aka na igwe na-echekwa ọrụ karịa. Ọ dịkwa mma maka ịrụ ọrụ na gburugburu ebe mmiri dị, ma nwee njirimara nke mgbochi mmanụ na mgbochi acid, ọ bụkwa ihe nchekwa gburugburu ebe obibi. Ihe mkpuchi agịga bụ ihe mkpuchi nwere rollers cylindrical. Ogologo ihe mkpuchi ahụ dị okpukpu 3-10 nke dayameta, dayameta ahụ anaghịkwa agafe 5 mm. Arụmọrụ nnyefe dị elu. Oke esemokwu ahụ bụ naanị 0.001-0.005;
1. Ezigbo iguzogide okpomọkụ: okpomọkụ ya nke mgbanwe okpomọkụ bụ 80-100 ℃.
2. Ike siri ike na iguzogide kemịkalụ dị mma.
3. Ihe anaghị egbu egbu ma na-enweghị isi, ọ na-adịghịkwa emebi gburugburu ebe obibi, a na-emegharị ya.
4. Mgbochi nrụrụ aka, iguzogide asịd, iguzogide alkali na njirimara ndị ọzọ. Ihe ndị na-eme ka ihe ndị dị ndụ dị ka asịd na alkali anaghị emetụta ya nke ọma.
5. Ọ siri ike ma sie ike, nwere njirimara nke iguzogide ike ọgwụgwụ na iguzogide mgbawa nrụgide, arụmọrụ ya anaghị emetụta gburugburu ebe obibi iru mmiri; Ọ nwere ndụ ike ọgwụgwụ dị elu.
6. Ihe mkpuchi ahụ nwere arụmọrụ dị elu na ndụ ọrụ ogologo oge.
7. Ebe ọ bụ na ihe na-agbagharị agbagharị nwere arụmọrụ nnyefe dị elu na obere mmepụta okpomọkụ, ọ nwere ike ibelata oriri nke mmanụ mmanụ, mmanụ mmanụ na mmezi dịkwa mfe karị.
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| Dayameta wiil | Ibu Ibu | Axle | Braketị | Ibu Ibu | Nha efere dị n'elu | Oghere Oghere Bolt | Dayameta Oghere Bolt | Mmepe | Nọmba Ngwaahịa |
| 80*36 | 120 | 38 | 2.5|2.5 | 108 | 105 * 80 | 80*60 | 11 * 9 | 42 | R1-080S4-304 |
| 100*36 | 150 | 38 | 2.5|2.5 | 128 | 105 * 80 | 80*60 | 11 * 9 | 42 | R1-100S4-304 |
| 125*36 | 160 | 38 | 2.5|2.5 | 155 | 105 * 80 | 80*60 | 11 * 9 | 52 | R1-125S4-304 |
| 125*40 | 180 | 38 | 2.5|2.5 | 155 | 105 * 80 | 80*60 | 11 * 9 | 52 | R1-125S4-3042 |