Carbon steel yeeb nkab txiv mis txiv neej thiab poj niam xov NPT BSP
Carbon steel yeeb nkab txiv mis txiv neej thiab poj niam xov NPT BSP
Cov hlau dub yog tsim los ua cov raj seamless, uas ua rau lawv zoo dua rau kev thauj khoom roj thiab cov tshuab tua hluav taws vim lawv muaj hluav taws kub ntau dua li cov kav dej galvanized. Cov yeeb nkab dub kuj tseem siv tau ntau tshaj plaws hauv cov tshuab hluav taws xob hluav taws xob vim tias nws cov hluav taws kub ua haujlwm siab thiab feem ntau yog siv rau hauv cov kav dej vim nws tsis kam tiv thaiv dej. Vim tias qhov tsaus ntuj tsim los ntawm cov hlau oxide thaum lub sijhawm tsim khoom, nws yog hu ua dub steel yeeb nkab
Qhov sib txawv tseem ceeb ntawm cov yeeb nkab steel thiab galvanized yeeb nkab yog qhov chaw. Cov hlau dub tsis muaj coated thiab tsis muaj chav, yog li lawv tau dav siv los xa cov pa roj xws li propane thiab cov nkev ntuj rau cov tsev nyob thiab kev lag luam.
1) Thaum lub sijhawm thiab tom qab tsim khoom, 10 QC cov neeg ua haujlwm nrog ntau tshaj 10 xyoo kev tshawb xyuas cov khoom hauv random.Carbon Steel Pipe txiv mis ntawmKev Tswj Xyuas Zoo
2) National accredited laboratory nrog CNAS daim ntawv pov thawj
3) Kev soj ntsuam tau txais los ntawm tus neeg thib peb raug xaiv los ntawm tus neeg yuav khoom, xws li SGS, BV.
4) Pom zoo UL / FM, ISO9001, CE daim ntawv pov thawj.