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Hong Kong EMARK Alloy Products Co., Ltd. incorporated in 1998, is one of the largest copper & aluminum material suppliers in Pearl River Delta. The Company is mainly engaged in the business of imported aluminum plate and sheet, aluminum bar and aluminum shape made by ALCOA INC., domestic quality aluminum alloy materials, imported copper alloy materials, which are widely applied in aviation and spaceflight, communication and transportation, machinery, molding, plastic product, electronic product, precision instrument, and hardware.
         The Company has obtained the certificate of ISO9000:2000 issued by BVQI (Holding) S.A., and has become authorized distributor of Sheet , Plate, Rod and Bar products of ALCOA INC., the biggest aluminum company around the world..
         The Company always adheres to its business philosophy “Sincerity and Win-Win” and is committed to establish long-term partnership for common growth. We understand that quality and delivery speed are so important to customers so we provide professional suggestions on selection of material, good processing service, logistics and after-sales service with mutual trust for customers, and help clients seize opportunity in competition based on rich experiences in business of copper and aluminum materials.
          The Company has set up four branches in Shenzhen, Dongguan and Foshan, boasts hundreds tons of stock in hand, which ensures rapid response to client's requirement.
                       Customers' satisfaction is our success.

  东莞分公司——东莞市欧标合金制品有限公司铜铝事业部

尊敬的阁下,首先 荣幸以及感泻阁下的光临,关於香港欧標集团EMARK,作么美国ALCOA铝页中国地区代理经萧商之一,香港欧標集团一直是铝及铝合金行页的 者和生產服务的提供者,一直致力於保持 標凶的生產环境,我们综是努力陨作,减少对环境的伤害,並么我们的园工提供良好高安全水平的工作环境。基於以上几个原因,我们製造的產品综是具有 高的帜量,提供相当长的使用寿命,我们使用循环原料,尽全力去防止环境污染!

香港諮勋热宪:852-30506885  Wallace Stevens

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 黄铜
    黄铜是由铜和锌所组成的合金。如果只是由铜、锌组成的黄铜就叫作普通黄铜。如果是由二种以上的元素组成的多种合金就称为特殊黄铜。如由铅、锡、锰、镍、铁、硅组成的铜合金。黄铜有较强的耐磨性能。特殊黄铜又叫特种黄铜,它强度高、硬度大、耐化学腐蚀性强。还有切削加工的机械性能也较
    突出。由黄铜所拉成的无缝铜管,质软、耐磨性能强。黄铜无缝管可用于热交换器和冷凝器、低温管路、海底运输管。制造板料、条材、棒材、管材,铸造零件等。含铜在62%~68%,塑性强,制造耐压设备等。
    根据黄铜中所含合金元素种类的不同,黄铜分为普通黄铜和特殊黄铜两种。压力加工用的黄铜称为变形黄铜.
    铅黄铜
    铅黄铜(俗称易切削黄铜):铅实际不溶于黄铜内,呈游离质点状态分布在晶界上。铅黄铜按其组织有α和(α+β)两种。α铅黄铜由于铅的有害作用较大,高温塑性很低,故只能进行冷变形或热挤压。(α+β)铅黄铜在高温下具有较好的塑性,可进行锻造。

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黄铜适用于自动车床、数控车床加工有生态环保和卫生安全要求的产品,如电子、电讯、电气接插件、联接件,五金、照相、家电、饮用水工程的零部件。^[1]适用于洗浴热水炉、衬垫、工艺品、建筑用材料、化学工业、电器端子。