After years of solid and rapid development, Correct Pack has grown into one of the most professional and influential enterprises in China. 30w laser marking machine We will do our best to serve customers throughout the whole process from product design, R&D, to delivery. Welcome to contact us for further information about our new product 30w laser marking machine or our company.Being well sealed, it serves as a protective shell. It blocks water vapor, dust, etc. from contacting the items being packaged.