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Shenzhen ShengMa Hardware Spring Co., Ltd.
Gongming,Guangming New District ,ShenZhen,Guangdong,China
Tel: +86 18929392083
+86 15889543020
E-mail:xuyilan@szsmth.com
Whatsapp: +86 15889543020
+61 478655895
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Compression Spring
Extension Springs
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Custom Metal Parts
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