A¡¢ Accord with the standard of ISO/DIS-15877¡° PVC-C(CPVC)pipes for cold and hot water supply¡± B¡¢Accord with the standard of QB/T 2479-2000¡° PVC-C(CPVC) protection casing pipe for buried the hight voltage cable ¡± C¡¢PVC-C(CPVC) twin wall corrugated pipe D¡¢According the standard of GB/T 17219-1998¡°Ca/2n stabilizing system PVC-U drinking pipe¡± E¡¢According the standard of GB/T 10002.1-96¡°PVC-U drinking pipe¡± F¡¢According with the standard of GB 10002.2-88 ¡°PVC-U drinking fitting(powder injection)¡± G¡¢Accord with the standard of QB/T 1916-93¡°PVC-U twin wall corrugated pipe¡± H¡¢PVC-U low foam drainage pipe I¡¢.According the standard of GB/T 8814-88¡°PVC-U profile for plastic windonw and door¡± J¡¢According the standard of GB/T 5836.1-92¡° hight filling CaCO3 PVC-U construction drainage pipe¡± K¡¢Accord with the standard of GB/T 5836.2-92 ¡°PVC-U construction drainage fitting(powder injection)¡± L¡¢According the standard of JG/T 3001-92 ¡°PVC-U construction isolation electricity protection casing pipe¡± M¡¢Hight filling CaCO3 PVC-U Decorate plate N¡¢Higth fillings red soil PVC-U pipe O¡¢PVC-U Ball valve (valve body valve core) P¡¢PVC-U multi-hole communication cable pipes Q¡¢PE multi-hole communication cable pipe R¡¢According the GB/T 15558.1 Gas PE pipe S¡¢PVC-U Rainwater Pipe Formulation. T¡¢Formulation of profile in CPVC modified by filling glass fibre