... other defects,so please don't worry about the quality of our goods 2,the process of our products ... with transparent plastic bag for pe pipes. 7,brand: our brand is YN, we also accept the logo as ... u should pay for the model fee for your brand. 8,OEM is also welcomed 9,terms of payment ... CNF, CIF.... 11,our enterprise has passed ISO9001:2000 Quality System Certificate, and our products also can be test ...