The Capper Machine for Plastic Screw Cap is very commonly adopted for milk, juice, water, tea, and sports drinks industry. Mostly Capper Machines for plastic screw cap are applied to plastic bottles, but some of them are applied to glass bottles. What’s more, there are some so-called combination caps which only need to be pressed without turning. Due to the boost in price of plastic material recently, many companies start adopting shorter cap to reduce the weight of cap and bottle top in order to save cost, gain competition, and also contribute to environmental protection.