... degree3) specfication: 20-63mm,4) german standard and ISO9001 male threaded couplingEstablished in 1996,ZHUJI YONGLE PLUMBING WARE CO.,LTD. is ... integrating research,development,production and sale.Located in the Diankou industrial area,Zhuji,Zhejiang,China.Our main products include PP-R ...