How to make perforated metal sheet for roll up door slat / Perforated metal sheet making machine

Perforated Metal Machine Process: punching Size: customized according to customer requirements Material: Usually galvanized steel plate, stainless steel plate, aluminum plate, high manganese steel plate, copper plate, nickel plate and alloy plate are used as raw materials. Design: Provide design services Tel/WhatsApp/WeChat : 86 133 1573 3530 ; Email : jerry@
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