Dongguan Suno packaging co., LTD mainly produces drink easy pull cover, aluminum cover, tinplate easy pull cover products, such as easy pull cover product with safety and health, non-toxic tasteless, high quality materials, at the same time use the MINSTER punch high-speed production lines, Japan AADA punch high-speed production lines and form a complete set of advanced perfect easy pull cover inspection testing equipment, makes the product modeling beautiful essence; Design precision, sealed performance is good, all have diarrhoea, not intake, to ensure that product quality is durable.
Tightness refers to crochet edge inside the tank cover and body crochet hook and close degree, and wrinkles degrees it into corresponding relation. Wrinkle degree is refers to the edge, after the collapse of all observed with the naked eye wrinkles on the edge of the cover hook hook length extension of the degree of the cover. Tightness = (1 - wrinkle degree) x 100%, general requirements tightness st13 of 50%.