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Haiyan Zhuangyi Hardware Products Co., Ltd.
海盐庄一五金制品有限公司
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7 Years
Main Products
Lock nuts
Hex nuts
Flange nuts
Nylon nuts
Metal lock nuts
High-quality fasteners
Machine, auto fasteners
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(DIN 439 (-2) - 1987)
主打
material
Carbon steel
grade, rigidity
grade 4
Coating
Environmental protection electroplating
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