Last week, our company won a batch of pump fittings, including B11-25, B11-150, B11-200 chrome plated pump barrel, B12 125, B12 150 nitriding pump barrel, P21-106, P21-125, P21-150 spray welding plunger, 125, 150 and 200 more slots plunger, etc. At present, the production work of the product has bee