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our company is established in 1994 with the name of Dongying Haixin Metal Product Co., Ltd. then, it was renamed to Dongying Zhengda Metal Product Co., Ltd in 2001.
we specialize in casting and machining of stainless steel, carton steel, alloy steel and machining parts. there are four series, such as pipe fitting, construction hardware, marine hardware, machine parts. our products are exported to USA, Spain, Germany, Japan, South Korea, Taiwan, etc.
商铺网址：http://zhengdahannah.cn.vooec.com |
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