This unit uses dual extruders and dual tractors to compound multiple substrates by casting, and complete the bright compounding process of the front and back of the plastic woven bag in one production process. The unit has high degree of automation, advanced technology and convenient operation. The whole machine adopts PLC operating system, linkage control, automatic temperature control of each extruder, automatic suction, and the composite product has strong adhesion fastness, good effect, uniform thickness and good sealing performance.
The cement bag perforating needle rollers and woven bag perforating needle rollers developed by our company adopt imported alloy steel wire needles with high strength and good abrasion resistance. With advanced drilling technology, the processing precision reaches the same level in the world.
The base material of this series of needle rollers generally adopts hard aluminum alloy and copper alloy, which has the characteristics of good quality, low price, economical and practical. Our company specializes in the supply of woven bag needle rollers, cement bag needle rollers, and woven bag needle rollers wholesale. The product quality and processing technology reliability and stability are at the domestic advanced level. We can produce various special specifications of needle rollers according to customer requirements. Needle ring products. Customers are welcome to consult. 
