1) standards:British(BS),American,DIN 2) banded,beaded,plain;Galvanized and black 3)H,HE,HF,HB ... DIN2950, DIN1692,DIN2999,1)standards: British standard(BS), American standard, and DIN standard. 2)It includes: ELBOW, TEE, SOCKET ... products are divided into banded, beaded, plain; Galvanized and black. 5)Brands: "STAR" H etc. we also ... Terms:30% deposit by T/T in advance and 70% balance by T/T or 30% ...