ningbo cleaning company "contact number 13819840321 manager zhou
and ningbo haigong group is a modern manufacturer specializing in the research and development, production and sales of cnc honing machines, precision horizontal honing machines and four-axis inter-research machines. it is widely used in small hole precision processing in industries such as aviation, aerospace, automobiles, motorcycles, industrial sewing machines, precision molds, bearings, etc. 1 ningbo tianhongtuo logistics co., ltd. 30 strip