1.ISO9001,TS16949 2.Good quality and poweful R&D ability 3.Competitive price&fast delievery 4.Different sizes are availabl we could provide 5 pressure class(PN0.25Mpa,PN0.6Mpa,PN1.0Mpa,PN1.6Mpa,PN2.5Mpa), the pictures below show part of our products. In fact, any metarial,size could be made as customers requirementIf you have any questions,feel free email to me. I will reply you soon. Chemical ...