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Strona Główna > Chińscy eksporterzy > Qingdao Zhengrong Precision Machinery Co., Ltd
Qingdao Zhengrong Precision Machinery Co., Ltd
Precision optical instrument's parts PurposePrecision optical instruments parts TextureAdva
The shaft sleeve is a cylindrical mechanical part that is mounted on the shaft and is an integral pa
Ratchet is a mechanical device that allows continuous linear or rotary motion in only one direction
Auto spare parts production line This production line is designed for customers to assemble vacuum
Button switch assembling device Non-standard customized equipments for Korean client to compress
Fully-automatic screw locking machine Product Features 1 Adjustable and wide range of
tungsten steel parts,cement carbide parts Tungsten carbide is a type of steel
aluminum alloy parts High custom precision aluminum processing 
screen frame Screen Frame & Components Popular Aluminum Screen Frame
the lens fixed block  holder for holding the lens block,