... Surely Metal Technology Co., Ltd. located in Zhejiang Ningbo and is specialized in manufacturing Aluminum die castings. we have advanced ... plating, sandblasting, painting , anodizing, powder coating, electrophoresis. 3) Suitable for various industries: auto, machine, valve, pneumatic , etc. 4) Whole ... . Aluminum die casting pump accessaries/cylinder head used for pump/air compressor cylinder head