Progress Of PVC Profile Industry
Jan 20, 2016
PVC profile products after the introduction of the period there are high-speed development period, from the time, can be defined as the 1980s - ninety and 95 years, respectively, and 02 years or so. 03 years later, PVC profile industry has entered a transition period. In the product introduction period: manufacturers are basically the pursuit of low cost, simplifying the window and door profile cross-section, formulation of the massive calcium carbonate filled, cause product performance is very low. Many quality problems appear affected the product promotion.