rayong has obtained a patent for a device called "A device for slitting a PET composite film". The of the patent shows that the present utility model provides a rayong PET composite film slitting device, which belongs to the field of mechanical technology. It solves problems of difficult operation and easy damage to the film caused by the initial stage of film threading in the existing technology. This PET composite film slitting device comprises a frame, and characterized by also comprising a feeding roller, a slitting roller, a branch roller and a cutting knife assembly. The two ends of the feeding roller, the slitting roller and branch roller are all rotatably connected to the frame. The feeding roller is close to the left end of the frame, the slitting roller is located on the right side of feeding roller and there is a gap between them. The cutting knife assembly is movably connected to the upper part of the rayong frame. Its advantages include structure, flexible adjustment of cutting knife position, quantity and spacing, and the cutting knife can be far away from the slitting roller, making the initial threading process of the film the cutting knife mounting and dismounting process more convenient, easy to operate, reducing the risk of film damage, and improving efficiency and capacity.

rayong Changyu is a company mainly engaged in the manufacture of chemical raw materials and chemical products. The registered capital of the enterprise is 61.716961 RMB. Through data analysis, it has invested in 2 enterprises and participated in 75 bidding projects. In terms of property clues, there are 2 trademark information and145 patent information. In addition, the enterprise also has 22 administrative licenses.