# AV-Tech Tube Industry > Precision manufacturer of stainless steel cold-finish seamless tubes and pipes (straight, corrugated, U-tube, coil form, instrumentation, heat-exchanger and high-purity ranges) in Viramgam, Gujarat, India. ISO 9001, 14001 and 45001 certified. Content is available in 7 languages (en default, plus fr, de, pl, it, nl, es under //). ## Company - [Home](https://avtechtube.com/) - [About](https://avtechtube.com/about/) - [Quality & Compliance](https://avtechtube.com/quality/) - [Industries served](https://avtechtube.com/industries/) - [Sustainability](https://avtechtube.com/sustainability/) - [Contact](https://avtechtube.com/contact/) ## Products - [All products](https://avtechtube.com/products/) - [Seamless straight tubes](https://avtechtube.com/products/seamless-straight-tubes/) - [Seamless corrugated tubes](https://avtechtube.com/products/seamless-corrugated-tubes/) - [Seamless U tubes](https://avtechtube.com/products/seamless-u-tubes/) - [Seamless coil form tubes](https://avtechtube.com/products/seamless-coil-form-tubes/) - [Instrumentation tubing](https://avtechtube.com/products/instrumentation-tubing/) - [Heat exchanger tubing](https://avtechtube.com/products/heat-exchanger-tubing/) - [Ultra-high purity (UHP) tubing](https://avtechtube.com/products/ultra-high-purity-tubing/) - [Electropolished (EP) tubing](https://avtechtube.com/products/electropolished-tubing/) - [Bioprocessing (BPE) tubing](https://avtechtube.com/products/bpe-tubing/) - [Semiconductor (SEMI) tubing](https://avtechtube.com/products/semi-tubing/) - [Sanitary / hygienic tubing](https://avtechtube.com/products/sanitary-tubing/) - [Passivated tubing](https://avtechtube.com/products/passivated-tubing/) ## Legal - [Terms of Use](https://avtechtube.com/terms-of-use/) - [Privacy Policy](https://avtechtube.com/privacy-policy/)