Uhmwpe Sheet Manufacturers. HNOKAY (Anyang) New material ., . is a division of HNOKAY Group, establish in 1989. With a total investment of 70 million US Dollars, vering an area of 700,000.00 square feet, an annual output of 100,000 square meters of environmental protection temporary road mats, 50,000 tons of Uhmwpe Sheet, 50,000 tons of HDPE mats and heavy duty ground protection mats.