Chih Hung Machinery has more than 25 years experience in the design and manufacture of laboratory testers that can be used to Test plastic material and its related agents, such as plastic compounds, PVC, PP, PS, ABS, EVA, etc. We always devoted our professional manufacturing technology & experience to supplying the modern & high performance testers to customers and assisting the customers to upgrade production technology, pay much attention to product's R&D and QC, reduce material's loss and cost, increase product's added value, ect. The quality of our Test Roll item exceeds their value and is worthy of your trust and purchasing. Welcome to contact us for further information.