A pressure-sealing type with a layer of elastic material interposed between the two. By utilizing the elasticity of the elastic material and the extra driving force of the extrusion, perfect seamless sealing can be achieved. The structural principle is to pad a special elastomer material between the bottle port and the inner bottom of the plastic bottle cap. At present, this method is widely used in packaging with internal pressure, and basically only packaging with internal pressure needs this form.

  Foshan Jingcheng packaging system Co., LTD decades of manufacturer experience in making and distributing Bottle cap, Can cap, Rubble belt, Tin cap, Plastic cap&closure,Spout cap,plastic handle,CDR/W Box & Related Products and Other plastic and hardware accessories.

  It is not because things are difficult that we do not dare, it is because we do not dare that things are difficult. Our company dares to overcome when we encountering the difficulties, we are obsessed with strict control over product quality, best for sealing quality in plastic covers, so why our products are so successful in the plastics industry, deeply loved and trusted by our customers.