... 4.All sizes and colors Supply all series of ppr pipe fittings, pp-r fitting, pp-r pipes ... to customers requirements.4 Sample for free,but u should pay for the express fee for the samples5, delivery time ... fittings. there is also with transparent plastic bag for ppr pipes7,brand: our brand is YN, we also ... Certificate, and our products also can be test for other certificate as u required, because we also ...