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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, office equipment, household appliances, locks and other industries. provide a complete set of transmission design solutions for customers in various industries. the company\'s production equipment, including professional powder metallurgy molding machine, continuous mesh belt sintering furnace and vacuum sintering furnace, and other advanced testing equipment, such as gear meshing instrument, three coordinate measuring instrument and tensile testing machine. the company is organized by the academic leaders of the institute, has a large number of technical and management personnel, strict quality control requirements, and lays a solid foundation for ensuring quality products. sincerely serve our customers!