Certification:ISO9001,ISO14001 Standard: ISO4427,DIN8074,ASTM D3035,BS-6437,GB/T 13663-2000, green Specifications:(ppr elbow)1) Material:Good quality,New material2) Dimensions: dn20mm-110mm3) According to GB/T 18742.2 which consists with DIN: 8078 / 80774) Colors: white, gray, green, blueProperties:1) Healthy, bacteriological neutral, conforming to drinking water standards2) Resistant to high ...