துருப்பிடிக்காத எஃகு குழாய் சப்ளையர் Wenzhou Kaixin சீனா
From customer purchase ASTM A270 stainless steel sanitary tubes and pipe fitings，we do pre-loading inspection by third party CCiC/SGS/BV/Interk,in order to get the coc certificate document for custmer do clearance which much important in african import business .
