deep water well cast iron hand pump 1)Over 22 years casting experience 3)Competitive price 4) ... aluminum,iron,gray cast iron200,etc( or customers' appointed material).2) Mold Design: According to Technical Drawing or Sample.3) Mold ... 1) Product Material: aluminum alloy, zinc alloy and copper alloy.2) Surface Treatment: chrome plating, sandblasting, painting, anodizing, powder coating, electrophoresis ...