Shell and Tube Heat Exchanger for Petrochemical Industry Pressure Vessel ASME ISO

      1. Q:Are you a manufacturer or trading company? A:We are a manufacturer with over thirty years of experience in China.2.Q:Can we visit your factory before placing orders? A: Sure, warmly welcome to our factory! 3.Q:What's the information needed if I send one inquiry ? A : Please tell us the working conditions, mediums,temperature ,pressure,  equipment ' s material,size,quantity, and other special requests. 4.Q:How does your factory do quality control? A: Quality is priority ,we make relevant strict testing before delivery. Our factory has already obtained ASME, GOST, ISO9001 quality and ISO 14001 Environmental management system certificate.  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1