Kei te Tāone o Zhongshan, Porowini o Guangdong, te kamupene Zhongshan Rizda Castor Manufacturing Co., Ltd., tētahi o ngā tāone matua o te Pearl River Delta, e kapi ana i te rohe neke atu i te 10000 mita tapawha. He kamupene hanga wira me ngā wira hurihuri ngaio hei whakarato i te whānuitanga o ngā rahi, ngā momo me ngā momo hua ki ngā kiritaki mō ngā momo tono. Ko te kamupene o mua ko BiaoShun Hardware Factory, i whakatūria i te tau 2008, ā, he 15 tau te roa o te wheako ki te hanga me te hanga ngaio.
He ātete te kakahu o ngā wira o ngā rauemi pvc, ā, he pai ngā āhuatanga miihini, ngā āhuatanga hiko-kore, me te kaha ki te mimiti i te ru, ka taea te ātete ki te waikura matū. He whānuitia te whakamahinga i roto i te umanga tukatuka kai, te whakahaere wheketere, te whare putunga me te whakahaere ratonga, te hanga mīhini me ētahi atu ahumahi. He maha ngā pōro maitai iti e karapoti ana i te pokapū o te kakau i roto i te peera pōro takirua, nō reira he iti te waku, ā, kāore he turuturu hinu.
1. Ātete kakahu, ātete matū, kaha teitei.
2. Ātete pēhanga iti, kaha te mimiti ru, ātete haehae me te ātete irahiko.
3. Awhe whakamahinga: - 35-80 ℃, awhe pakeke: Takutai 92A-100A.
4. Ngā āhuatanga miihini hihiri pai.
5. He roa te ora o te peera pōro takirua, ā, he pai te mahi anti-chrooping.
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| Te Diameter o te Wira | Utaina | Toki | Pereti/Whare | Whānui | Rahi o Waho o te Pereti-runga | Te Mokowā o te Pūwero | Te Diameter o te Pūwero | Tau Hua |
| 63*32 | 80 | 33 | 3.0|2.5 | 93 | 95*65 | 75*45 | 8.5*12 | A2-063H4-802 |
| 75*32 | 90 | 33 | 3.0|2.5 | 105 | 95*65 | 75*45 | 8.5*12 | A2-075H4-802 |
| 100*32 | 120 | 33 | 3.0|2.5 | 130 | 95*65 | 75*45 | 8.5*12 | A2-100H4-802 |
| 125*32 | 140 | 33 | 3.0|2.5 | 157 | 95*65 | 75*45 | 8.5*12 | A2-125H4-802 |