Recent Entries

• Why Do Black Spots Appear In Custom Pet Plastic Strapping At Wh

  by seal dingli 17 October 2022
    Reasons for black spots on the surface of the steel strip Reasons for Black Spots on Steel Strapping Seals 1. Surface roughness of steel strip: If the surface roughness is obvious, the gap between the steel coil layer and the layer interface will increase, which is conducive to the evapora...