we are a manufacture of pipe fitting in china and have 16 years experiences in pipe fitting.at currently ,we mainly produce pp pipe fitting and ppr pipe fitting and pe hot melt pipe fitting and so on.such as coupling ,elbow ,tee,cross and end cap and ball value and so on,besides this ,we also have fertilizing tank and disk and screen filter and so on.if you have any questions or needs,please contact us at any time .of course,you can also visit our website www.guanjian360.com.cn