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Fiye da shekaru 10 mayar da hankali a kan samar da hakowa dunƙule
Top 10 enterprises of self drilling screws in China.
Handan Shuangzi Metal Products Co., Ltd ne mai sana'a manufacturer na hakowa dunƙule da tapping dunƙule Enterprises. Tun da aka kafa ta, kamfanin da aka mayar da hankali a kan samar da R & D na hakowa dunƙule, wanda ya gina wani zamani, babban misali, sikelin, iri-iri masu sana'a samar line na rawar soja wutsiya dunƙule. Duk amfani da kayan aiki ana shigo da daga Jamus da Japan da Taiwan, da wani shekara-shekara fitarwa na high quality, Multi-iri-iri rawar soja wutsiya dunƙule .An aiki saman cikin gida da fasaha, a heksagon-da kullum, clipping, thread-mirgina, carburize, tutiya plated, wanki na'ura, kunshin da kuma sauran matakai, kowane mahada jihãdin ne dõmin kamala kuma mafi kyau.