... , south America, Asia and Middle east. Our customer are widely from construciton and decoration business. some are world-renowed companies.Yosunq ... a stable size which can use without problem in temperature from -20-70 degree C.Yosunq WPC ,with its special technology ... products: TH6050: TH6050 ten years works for WPC ceiling, 60*50, easy to install, low maintainence, guarantee for 15 years