We make pumps mechanical seal according to the international standard.The drawings are from the experienced seal expert who can design exactly same or better mechanical seal to Flowserve type,John Crane type and Burgmann type. We only use the best seal face materials,including Sintered Silicon Carbide,99% Ceramic,M106K carbon,Nickle or Cobalt Tungsten Carbide; UL approved NBR,EPDM and FKM for rubber parts; SS316 for springs and stampings.All the toolings ready for full line from 0.25inch to 2.00 inch standard types and lead time is within 30 days for quantity production.

Our main activities are manufacturing general tooling, fixtures, high precision machining parts, no matter small or medium volumes, local or worldwide customers, providing cost effective machined parts that meet specification on time. At Ningbo CNC Machining Co,Ltd, we use CNC lathes, CNC vertical mills, horizontal mills and drilling machines to remove steel, iron, brass, aluminum, engineering plastics. More equipments inculde circular grinding, centreless grinding, surface grinding, digital linear cutting machine. We also machine precision finished parts from near net shapes such as forgings, extrusions, castings, die-castings, investment castings. For example, pump body, pump impeller etc. All of our processes are designed according to ISO 9001:2000 quality system. Any defects found are followed up with problem analysis and corrective actions. We are always striving for continuous improvement of our quality, costs and on time delivery.