Top 10 enterprises of self drilling screws in China.

Handan Shuangzi Metal Products Co., Ltd umenzi ngobuchule zokomba Screw kunye uthinte amashishini iqhosha lemenyu. Ukususela mhla yasekwa, inkampani iye ugxininisa kwimveliso kunye R & D of zokomba esijijwayo, ethe wakha, umgangatho ophezulu mihla, isikali, iindidi umgca zobungcali imveliso kombiwa nomsila iqhosha lemenyu. Zonke izixhobo ezisetyenziswa ukuba yayithengwe eJamani, eJapan Taiwan, kunye nemveliso ekumgangatho ophezulu yonyaka, multi-iintlobo drill umsila ujije .I abaqeshwe igcisa lolwazi yasekhaya eliphezulu, namacala-ekubumbeni, clip, umsonto-qikeka, carburize, zinc ngumfanekiswana, umatshini wokucoca, impahla kunye nezinye iinkqubo, yonke ikhonkco uzama igqibelela ilungileyo.