dongguan zhenglang precision metal parts co., ltd. is located in chang\'an town, dongguan city. it is a modern factory with complete powder metallurgy production capacity. it specializes in producing planetary gear reducers, auto parts, high-performance powder metallurgy parts and precision metal parts. used in automotive, communications, offic...
dongguan zhenglang precision metal parts co., ltd. deeply participates in the development and design of customer biometric identification locks, and combines traditional mechanical locks with biometric identification technology, which is widely used in home, office, confidential and other places. the requirements for parts are more precise and ...
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tel：mr ding 180 2902 0818 mr zhang 138 2363 4768
fax：0755-23088059
email：company@qq.com
q q：13925200705
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